diff options
Diffstat (limited to 'crypto/heimdal/lib/gssapi/import_name.c')
-rw-r--r-- | crypto/heimdal/lib/gssapi/import_name.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/crypto/heimdal/lib/gssapi/import_name.c b/crypto/heimdal/lib/gssapi/import_name.c deleted file mode 100644 index 423e757..0000000 --- a/crypto/heimdal/lib/gssapi/import_name.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Copyright (c) 1997 - 2003 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 1.13 2003/03/16 17:33:31 lha Exp $"); - -static OM_uint32 -parse_krb5_name (OM_uint32 *minor_status, - const char *name, - gss_name_t *output_name) -{ - krb5_error_code kerr; - - kerr = krb5_parse_name (gssapi_krb5_context, name, output_name); - - if (kerr == 0) - return GSS_S_COMPLETE; - else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED) { - gssapi_krb5_set_error_string (); - *minor_status = kerr; - return GSS_S_BAD_NAME; - } else { - gssapi_krb5_set_error_string (); - *minor_status = kerr; - return GSS_S_FAILURE; - } -} - -static OM_uint32 -import_krb5_name (OM_uint32 *minor_status, - const gss_buffer_t input_name_buffer, - gss_name_t *output_name) -{ - OM_uint32 ret; - char *tmp; - - 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'; - - ret = parse_krb5_name(minor_status, tmp, output_name); - free(tmp); - - return ret; -} - -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]; - - *output_name = NULL; - - 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) { - gssapi_krb5_set_error_string (); - *minor_status = kerr; - return GSS_S_BAD_NAME; - } else { - gssapi_krb5_set_error_string (); - *minor_status = kerr; - return GSS_S_FAILURE; - } -} - -static OM_uint32 -import_export_name (OM_uint32 *minor_status, - const gss_buffer_t input_name_buffer, - gss_name_t *output_name) -{ - unsigned char *p; - uint32_t length; - OM_uint32 ret; - char *name; - - if (input_name_buffer->length < 10 + GSS_KRB5_MECHANISM->length) - return GSS_S_BAD_NAME; - - /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */ - - p = input_name_buffer->value; - - if (memcmp(&p[0], "\x04\x01\x00", 3) != 0 || - p[3] != GSS_KRB5_MECHANISM->length + 2 || - p[4] != 0x06 || - p[5] != GSS_KRB5_MECHANISM->length || - memcmp(&p[6], GSS_KRB5_MECHANISM->elements, - GSS_KRB5_MECHANISM->length) != 0) - return GSS_S_BAD_NAME; - - p += 6 + GSS_KRB5_MECHANISM->length; - - length = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; - p += 4; - - if (length > input_name_buffer->length - 10 - GSS_KRB5_MECHANISM->length) - return GSS_S_BAD_NAME; - - name = malloc(length + 1); - if (name == NULL) { - *minor_status = ENOMEM; - return GSS_S_FAILURE; - } - memcpy(name, p, length); - name[length] = '\0'; - - ret = parse_krb5_name(minor_status, name, output_name); - free(name); - - return ret; -} - -int -gss_oid_equal(const gss_OID a, const gss_OID b) -{ - if (a == b) - return 1; - else if (a == GSS_C_NO_OID || b == GSS_C_NO_OID || a->length != b->length) - return 0; - else - return memcmp(a->elements, b->elements, a->length) == 0; -} - -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 (); - - *minor_status = 0; - *output_name = GSS_C_NO_NAME; - - if (gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE)) - return import_hostbased_name (minor_status, - input_name_buffer, - output_name); - else if (gss_oid_equal(input_name_type, GSS_C_NO_OID) - || gss_oid_equal(input_name_type, GSS_C_NT_USER_NAME) - || gss_oid_equal(input_name_type, GSS_KRB5_NT_PRINCIPAL_NAME)) - /* default printable syntax */ - return import_krb5_name (minor_status, - input_name_buffer, - output_name); - else if (gss_oid_equal(input_name_type, GSS_C_NT_EXPORT_NAME)) { - return import_export_name(minor_status, - input_name_buffer, - output_name); - } else { - *minor_status = 0; - return GSS_S_BAD_NAMETYPE; - } -} |