diff options
Diffstat (limited to 'crypto/heimdal/lib/gssapi/init_sec_context.c')
| -rw-r--r-- | crypto/heimdal/lib/gssapi/init_sec_context.c | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/crypto/heimdal/lib/gssapi/init_sec_context.c b/crypto/heimdal/lib/gssapi/init_sec_context.c deleted file mode 100644 index 2f9bbc9ab5d2..000000000000 --- a/crypto/heimdal/lib/gssapi/init_sec_context.c +++ /dev/null @@ -1,360 +0,0 @@ -/* - * Copyright (c) 1997, 1998, 1999 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: init_sec_context.c,v 1.18 1999/12/26 18:31:36 assar Exp $"); - -static OM_uint32 -init_auth - (OM_uint32 * minor_status, - const gss_cred_id_t initiator_cred_handle, - gss_ctx_id_t * context_handle, - const gss_name_t target_name, - const gss_OID mech_type, - OM_uint32 req_flags, - OM_uint32 time_req, - const gss_channel_bindings_t input_chan_bindings, - const gss_buffer_t input_token, - gss_OID * actual_mech_type, - gss_buffer_t output_token, - OM_uint32 * ret_flags, - OM_uint32 * time_rec - ) -{ - OM_uint32 ret = GSS_S_FAILURE; - krb5_error_code kret; - krb5_flags ap_options; - krb5_creds this_cred, *cred; - krb5_data outbuf; - krb5_ccache ccache; - u_int32_t flags; - Authenticator *auth; - krb5_data authenticator; - Checksum cksum; - krb5_enctype enctype; - - output_token->length = 0; - output_token->value = NULL; - - outbuf.length = 0; - outbuf.data = NULL; - - *minor_status = 0; - - *context_handle = malloc(sizeof(**context_handle)); - if (*context_handle == NULL) { - *minor_status = ENOMEM; - return GSS_S_FAILURE; - } - - (*context_handle)->auth_context = NULL; - (*context_handle)->source = NULL; - (*context_handle)->target = NULL; - (*context_handle)->flags = 0; - (*context_handle)->more_flags = 0; - (*context_handle)->ticket = NULL; - - kret = krb5_auth_con_init (gssapi_krb5_context, - &(*context_handle)->auth_context); - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - { - int32_t tmp; - - krb5_auth_con_getflags(gssapi_krb5_context, - (*context_handle)->auth_context, - &tmp); - tmp |= KRB5_AUTH_CONTEXT_DO_SEQUENCE; - krb5_auth_con_setflags(gssapi_krb5_context, - (*context_handle)->auth_context, - tmp); - } - - if (actual_mech_type) - *actual_mech_type = GSS_KRB5_MECHANISM; - - flags = 0; - ap_options = 0; - if (req_flags & GSS_C_DELEG_FLAG) - ; /* XXX */ - if (req_flags & GSS_C_MUTUAL_FLAG) { - flags |= GSS_C_MUTUAL_FLAG; - ap_options |= AP_OPTS_MUTUAL_REQUIRED; - } - if (req_flags & GSS_C_REPLAY_FLAG) - ; /* XXX */ - if (req_flags & GSS_C_SEQUENCE_FLAG) - ; /* XXX */ - if (req_flags & GSS_C_ANON_FLAG) - ; /* XXX */ - flags |= GSS_C_CONF_FLAG; - flags |= GSS_C_INTEG_FLAG; - flags |= GSS_C_SEQUENCE_FLAG; - flags |= GSS_C_TRANS_FLAG; - - if (ret_flags) - *ret_flags = flags; - (*context_handle)->flags = flags; - (*context_handle)->more_flags = LOCAL; - - kret = krb5_cc_default (gssapi_krb5_context, &ccache); - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - kret = krb5_cc_get_principal (gssapi_krb5_context, - ccache, - &(*context_handle)->source); - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - kret = krb5_copy_principal (gssapi_krb5_context, - target_name, - &(*context_handle)->target); - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - memset(&this_cred, 0, sizeof(this_cred)); - this_cred.client = (*context_handle)->source; - this_cred.server = (*context_handle)->target; - this_cred.times.endtime = 0; - this_cred.session.keytype = ETYPE_DES_CBC_CRC; - - kret = krb5_get_credentials (gssapi_krb5_context, - KRB5_TC_MATCH_KEYTYPE, - ccache, - &this_cred, - &cred); - - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - krb5_auth_con_setkey(gssapi_krb5_context, - (*context_handle)->auth_context, - &cred->session); - - kret = gssapi_krb5_create_8003_checksum (input_chan_bindings, - flags, - &cksum); - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - -#if 1 - enctype = (*context_handle)->auth_context->keyblock->keytype; -#else - if ((*context_handle)->auth_context->enctype) - enctype = (*context_handle)->auth_context->enctype; - else { - kret = krb5_keytype_to_enctype(gssapi_krb5_context, - (*context_handle)->auth_context->keyblock->keytype, - &enctype); - if (kret) - return kret; - } -#endif - - - - kret = krb5_build_authenticator (gssapi_krb5_context, - (*context_handle)->auth_context, - enctype, - cred, - &cksum, - &auth, - &authenticator); - - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - kret = krb5_build_ap_req (gssapi_krb5_context, - enctype, - cred, - ap_options, - authenticator, - &outbuf); - - if (kret) { - *minor_status = kret; - ret = GSS_S_FAILURE; - goto failure; - } - - ret = gssapi_krb5_encapsulate (&outbuf, - output_token, - "\x01\x00"); - if (ret) { - *minor_status = kret; - goto failure; - } - - if (flags & GSS_C_MUTUAL_FLAG) { - return GSS_S_CONTINUE_NEEDED; - } else { - (*context_handle)->more_flags |= OPEN; - return GSS_S_COMPLETE; - } - -failure: - krb5_auth_con_free (gssapi_krb5_context, - (*context_handle)->auth_context); - if((*context_handle)->source) - krb5_free_principal (gssapi_krb5_context, - (*context_handle)->source); - if((*context_handle)->target) - krb5_free_principal (gssapi_krb5_context, - (*context_handle)->target); - free (*context_handle); - krb5_data_free (&outbuf); - *context_handle = GSS_C_NO_CONTEXT; - return ret; -} - -static OM_uint32 -repl_mutual - (OM_uint32 * minor_status, - const gss_cred_id_t initiator_cred_handle, - gss_ctx_id_t * context_handle, - const gss_name_t target_name, - const gss_OID mech_type, - OM_uint32 req_flags, - OM_uint32 time_req, - const gss_channel_bindings_t input_chan_bindings, - const gss_buffer_t input_token, - gss_OID * actual_mech_type, - gss_buffer_t output_token, - OM_uint32 * ret_flags, - OM_uint32 * time_rec - ) -{ - OM_uint32 ret; - krb5_error_code kret; - krb5_data indata; - krb5_ap_rep_enc_part *repl; - - ret = gssapi_krb5_decapsulate (input_token, - &indata, - "\x02\x00"); - if (ret) { - /* XXX - Handle AP_ERROR */ - return GSS_S_FAILURE; - } - - kret = krb5_rd_rep (gssapi_krb5_context, - (*context_handle)->auth_context, - &indata, - &repl); - if (kret) - return GSS_S_FAILURE; - krb5_free_ap_rep_enc_part (gssapi_krb5_context, - repl); - - output_token->length = 0; - - (*context_handle)->more_flags |= OPEN; - - return GSS_S_COMPLETE; -} - -/* - * gss_init_sec_context - */ - -OM_uint32 gss_init_sec_context - (OM_uint32 * minor_status, - const gss_cred_id_t initiator_cred_handle, - gss_ctx_id_t * context_handle, - const gss_name_t target_name, - const gss_OID mech_type, - OM_uint32 req_flags, - OM_uint32 time_req, - const gss_channel_bindings_t input_chan_bindings, - const gss_buffer_t input_token, - gss_OID * actual_mech_type, - gss_buffer_t output_token, - OM_uint32 * ret_flags, - OM_uint32 * time_rec - ) -{ - gssapi_krb5_init (); - - if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) - return init_auth (minor_status, - initiator_cred_handle, - context_handle, - target_name, - mech_type, - req_flags, - time_req, - input_chan_bindings, - input_token, - actual_mech_type, - output_token, - ret_flags, - time_rec); - else - return repl_mutual(minor_status, - initiator_cred_handle, - context_handle, - target_name, - mech_type, - req_flags, - time_req, - input_chan_bindings, - input_token, - actual_mech_type, - output_token, - ret_flags, - time_rec); -} |