diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/build_auth.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/build_auth.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/crypto/heimdal/lib/krb5/build_auth.c b/crypto/heimdal/lib/krb5/build_auth.c deleted file mode 100644 index f8739c0..0000000 --- a/crypto/heimdal/lib/krb5/build_auth.c +++ /dev/null @@ -1,202 +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 <krb5_locl.h> - -RCSID("$Id: build_auth.c 17033 2006-04-10 08:53:21Z lha $"); - -static krb5_error_code -make_etypelist(krb5_context context, - krb5_authdata **auth_data) -{ - EtypeList etypes; - krb5_error_code ret; - krb5_authdata ad; - u_char *buf; - size_t len; - size_t buf_size; - - ret = krb5_init_etype(context, &etypes.len, &etypes.val, NULL); - if (ret) - return ret; - - ASN1_MALLOC_ENCODE(EtypeList, buf, buf_size, &etypes, &len, ret); - if (ret) { - free_EtypeList(&etypes); - return ret; - } - if(buf_size != len) - krb5_abortx(context, "internal error in ASN.1 encoder"); - free_EtypeList(&etypes); - - ALLOC_SEQ(&ad, 1); - if (ad.val == NULL) { - free(buf); - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - - ad.val[0].ad_type = KRB5_AUTHDATA_GSS_API_ETYPE_NEGOTIATION; - ad.val[0].ad_data.length = len; - ad.val[0].ad_data.data = buf; - - ASN1_MALLOC_ENCODE(AD_IF_RELEVANT, buf, buf_size, &ad, &len, ret); - if (ret) { - free_AuthorizationData(&ad); - return ret; - } - if(buf_size != len) - krb5_abortx(context, "internal error in ASN.1 encoder"); - free_AuthorizationData(&ad); - - ALLOC(*auth_data, 1); - if (*auth_data == NULL) { - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - - ALLOC_SEQ(*auth_data, 1); - if ((*auth_data)->val == NULL) { - free(buf); - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - - (*auth_data)->val[0].ad_type = KRB5_AUTHDATA_IF_RELEVANT; - (*auth_data)->val[0].ad_data.length = len; - (*auth_data)->val[0].ad_data.data = buf; - - return 0; -} - -krb5_error_code KRB5_LIB_FUNCTION -krb5_build_authenticator (krb5_context context, - krb5_auth_context auth_context, - krb5_enctype enctype, - krb5_creds *cred, - Checksum *cksum, - Authenticator **auth_result, - krb5_data *result, - krb5_key_usage usage) -{ - Authenticator *auth; - u_char *buf = NULL; - size_t buf_size; - size_t len; - krb5_error_code ret; - krb5_crypto crypto; - - auth = calloc(1, sizeof(*auth)); - if (auth == NULL) { - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - - auth->authenticator_vno = 5; - copy_Realm(&cred->client->realm, &auth->crealm); - copy_PrincipalName(&cred->client->name, &auth->cname); - - krb5_us_timeofday (context, &auth->ctime, &auth->cusec); - - ret = krb5_auth_con_getlocalsubkey(context, auth_context, &auth->subkey); - if(ret) - goto fail; - - if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) { - if(auth_context->local_seqnumber == 0) - krb5_generate_seq_number (context, - &cred->session, - &auth_context->local_seqnumber); - ALLOC(auth->seq_number, 1); - if(auth->seq_number == NULL) { - ret = ENOMEM; - goto fail; - } - *auth->seq_number = auth_context->local_seqnumber; - } else - auth->seq_number = NULL; - auth->authorization_data = NULL; - auth->cksum = cksum; - - if (cksum != NULL && cksum->cksumtype == CKSUMTYPE_GSSAPI) { - /* - * This is not GSS-API specific, we only enable it for - * GSS for now - */ - ret = make_etypelist(context, &auth->authorization_data); - if (ret) - goto fail; - } - - /* XXX - Copy more to auth_context? */ - - auth_context->authenticator->ctime = auth->ctime; - auth_context->authenticator->cusec = auth->cusec; - - ASN1_MALLOC_ENCODE(Authenticator, buf, buf_size, auth, &len, ret); - if (ret) - goto fail; - if(buf_size != len) - krb5_abortx(context, "internal error in ASN.1 encoder"); - - ret = krb5_crypto_init(context, &cred->session, enctype, &crypto); - if (ret) - goto fail; - ret = krb5_encrypt (context, - crypto, - usage /* KRB5_KU_AP_REQ_AUTH */, - buf + buf_size - len, - len, - result); - krb5_crypto_destroy(context, crypto); - - if (ret) - goto fail; - - free (buf); - - if (auth_result) - *auth_result = auth; - else { - /* Don't free the `cksum', it's allocated by the caller */ - auth->cksum = NULL; - free_Authenticator (auth); - free (auth); - } - return ret; - fail: - free_Authenticator (auth); - free (auth); - free (buf); - return ret; -} |
