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* Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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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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* 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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* 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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* 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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* 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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#include "krb5/gsskrb5_locl.h"
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parse_krb5_name (OM_uint32 *minor_status,
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gss_name_t *output_name)
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kerr = krb5_parse_name (context, name, &princ);
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*output_name = (gss_name_t)princ;
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return GSS_S_COMPLETE;
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if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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return GSS_S_BAD_NAME;
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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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tmp = malloc (input_name_buffer->length + 1);
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*minor_status = ENOMEM;
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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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ret = parse_krb5_name(minor_status, context, tmp, output_name);
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_gsskrb5_canon_name(OM_uint32 *minor_status, krb5_context context,
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int use_dns, gss_name_t name, krb5_principal *out)
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krb5_principal p = (krb5_principal)name;
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char *hostname = NULL, *service;
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/* If its not a hostname */
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if (krb5_principal_get_type(context, p) != MAGIC_HOSTBASED_NAME_TYPE) {
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ret = krb5_copy_principal(context, p, out);
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} else if (!use_dns) {
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ret = krb5_copy_principal(context, p, out);
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krb5_principal_set_type(context, *out, KRB5_NT_SRV_HST);
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if (p->name.name_string.len == 0)
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return GSS_S_BAD_NAME;
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else if (p->name.name_string.len > 1)
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hostname = p->name.name_string.val[1];
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service = p->name.name_string.val[0];
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ret = krb5_sname_to_principal(context,
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return GSS_S_FAILURE;
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import_hostbased_name (OM_uint32 *minor_status,
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krb5_context context,
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const gss_buffer_t input_name_buffer,
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gss_name_t *output_name)
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krb5_principal princ = NULL;
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krb5_error_code kerr;
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char *tmp, *p, *host = NULL;
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tmp = malloc (input_name_buffer->length + 1);
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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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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kerr = krb5_make_principal(context, &princ, NULL, tmp, host, NULL);
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*minor_status = kerr;
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if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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return GSS_S_BAD_NAME;
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return GSS_S_FAILURE;
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krb5_principal_set_type(context, princ, MAGIC_HOSTBASED_NAME_TYPE);
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*output_name = (gss_name_t)princ;
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import_export_name (OM_uint32 *minor_status,
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krb5_context context,
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const gss_buffer_t input_name_buffer,
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gss_name_t *output_name)
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if (input_name_buffer->length < 10 + GSS_KRB5_MECHANISM->length)
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return GSS_S_BAD_NAME;
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/* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */
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p = input_name_buffer->value;
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if (memcmp(&p[0], "\x04\x01\x00", 3) != 0 ||
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p[3] != GSS_KRB5_MECHANISM->length + 2 ||
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p[5] != GSS_KRB5_MECHANISM->length ||
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memcmp(&p[6], GSS_KRB5_MECHANISM->elements,
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GSS_KRB5_MECHANISM->length) != 0)
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return GSS_S_BAD_NAME;
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p += 6 + GSS_KRB5_MECHANISM->length;
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length = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
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if (length > input_name_buffer->length - 10 - GSS_KRB5_MECHANISM->length)
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return GSS_S_BAD_NAME;
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name = malloc(length + 1);
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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memcpy(name, p, length);
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ret = parse_krb5_name(minor_status, context, name, output_name);
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OM_uint32 _gsskrb5_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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krb5_context context;
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*output_name = GSS_C_NO_NAME;
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GSSAPI_KRB5_INIT (&context);
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if (gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE) ||
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gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE_X))
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return import_hostbased_name (minor_status,
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else if (gss_oid_equal(input_name_type, GSS_C_NO_OID)
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|| gss_oid_equal(input_name_type, GSS_C_NT_USER_NAME)
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|| gss_oid_equal(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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else if (gss_oid_equal(input_name_type, GSS_C_NT_EXPORT_NAME)) {
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return import_export_name(minor_status,
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return GSS_S_BAD_NAMETYPE;