138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/*
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* Copyright (c) 1997 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gssapi_locl.h"
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RCSID("$Id: import_name.c,v 1.1.1.1 2000/06/16 18:32:46 thorpej Exp $");
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static OM_uint32
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import_krb5_name (OM_uint32 *minor_status,
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const gss_buffer_t input_name_buffer,
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gss_name_t *output_name)
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{
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krb5_error_code kerr;
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char *tmp;
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tmp = malloc (input_name_buffer->length + 1);
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if (tmp == NULL)
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return GSS_S_FAILURE;
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memcpy (tmp,
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input_name_buffer->value,
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input_name_buffer->length);
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tmp[input_name_buffer->length] = '\0';
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kerr = krb5_parse_name (gssapi_krb5_context,
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tmp,
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output_name);
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free (tmp);
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if (kerr == 0)
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return GSS_S_COMPLETE;
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else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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return GSS_S_BAD_NAME;
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else
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return GSS_S_FAILURE;
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}
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static OM_uint32
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import_hostbased_name (OM_uint32 *minor_status,
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const gss_buffer_t input_name_buffer,
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gss_name_t *output_name)
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{
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krb5_error_code kerr;
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char *tmp;
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char *p;
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char *host;
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char local_hostname[MAXHOSTNAMELEN];
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tmp = malloc (input_name_buffer->length + 1);
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if (tmp == NULL) {
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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}
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memcpy (tmp,
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input_name_buffer->value,
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input_name_buffer->length);
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tmp[input_name_buffer->length] = '\0';
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p = strchr (tmp, '@');
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if (p != NULL) {
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*p = '\0';
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host = p + 1;
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} else {
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if (gethostname(local_hostname, sizeof(local_hostname)) < 0) {
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*minor_status = errno;
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free (tmp);
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return GSS_S_FAILURE;
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}
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host = local_hostname;
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}
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kerr = krb5_sname_to_principal (gssapi_krb5_context,
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host,
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tmp,
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KRB5_NT_SRV_HST,
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output_name);
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free (tmp);
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*minor_status = kerr;
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if (kerr == 0)
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return GSS_S_COMPLETE;
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else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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return GSS_S_BAD_NAME;
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else
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return GSS_S_FAILURE;
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}
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OM_uint32 gss_import_name
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(OM_uint32 * minor_status,
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const gss_buffer_t input_name_buffer,
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const gss_OID input_name_type,
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gss_name_t * output_name
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)
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{
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gssapi_krb5_init ();
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if (input_name_type == GSS_C_NT_HOSTBASED_SERVICE)
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return import_hostbased_name (minor_status,
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input_name_buffer,
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output_name);
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else if (input_name_type == GSS_C_NO_OID
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|| input_name_type == GSS_C_NT_USER_NAME
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|| input_name_type == GSS_KRB5_NT_PRINCIPAL_NAME)
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/* default printable syntax */
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return import_krb5_name (minor_status,
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input_name_buffer,
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output_name);
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else
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return GSS_S_BAD_NAMETYPE;
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}
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