diff options
Diffstat (limited to 'crypto/heimdal/lib/gssapi/import_name.c')
| -rw-r--r-- | crypto/heimdal/lib/gssapi/import_name.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/gssapi/import_name.c b/crypto/heimdal/lib/gssapi/import_name.c new file mode 100644 index 0000000..6cb94c4 --- /dev/null +++ b/crypto/heimdal/lib/gssapi/import_name.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 1997 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 "gssapi_locl.h" + +RCSID("$Id: import_name.c,v 1.8 1999/12/02 17:05:03 joda Exp $"); + +static OM_uint32 +import_krb5_name (OM_uint32 *minor_status, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + krb5_error_code kerr; + char *tmp; + + tmp = malloc (input_name_buffer->length + 1); + if (tmp == NULL) + return GSS_S_FAILURE; + memcpy (tmp, + input_name_buffer->value, + input_name_buffer->length); + tmp[input_name_buffer->length] = '\0'; + + kerr = krb5_parse_name (gssapi_krb5_context, + tmp, + output_name); + free (tmp); + if (kerr == 0) + return GSS_S_COMPLETE; + else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED) + return GSS_S_BAD_NAME; + else + return GSS_S_FAILURE; +} + +static OM_uint32 +import_hostbased_name (OM_uint32 *minor_status, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + krb5_error_code kerr; + char *tmp; + char *p; + char *host; + char local_hostname[MAXHOSTNAMELEN]; + + tmp = malloc (input_name_buffer->length + 1); + if (tmp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy (tmp, + input_name_buffer->value, + input_name_buffer->length); + tmp[input_name_buffer->length] = '\0'; + + p = strchr (tmp, '@'); + if (p != NULL) { + *p = '\0'; + host = p + 1; + } else { + if (gethostname(local_hostname, sizeof(local_hostname)) < 0) { + *minor_status = errno; + free (tmp); + return GSS_S_FAILURE; + } + host = local_hostname; + } + + kerr = krb5_sname_to_principal (gssapi_krb5_context, + host, + tmp, + KRB5_NT_SRV_HST, + output_name); + free (tmp); + *minor_status = kerr; + if (kerr == 0) + return GSS_S_COMPLETE; + else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED) + return GSS_S_BAD_NAME; + else + return GSS_S_FAILURE; +} + +OM_uint32 gss_import_name + (OM_uint32 * minor_status, + const gss_buffer_t input_name_buffer, + const gss_OID input_name_type, + gss_name_t * output_name + ) +{ + gssapi_krb5_init (); + + if (input_name_type == GSS_C_NT_HOSTBASED_SERVICE) + return import_hostbased_name (minor_status, + input_name_buffer, + output_name); + else if (input_name_type == GSS_C_NO_OID + || input_name_type == GSS_C_NT_USER_NAME + || input_name_type == GSS_KRB5_NT_PRINCIPAL_NAME) + /* default printable syntax */ + return import_krb5_name (minor_status, + input_name_buffer, + output_name); + else + return GSS_S_BAD_NAMETYPE; +} |
