/*
- * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
+ * 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:
+ * 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.
+ * 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.
+ * 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.
+ * 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.
+ * 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)
u_char *buf;
size_t len;
size_t buf_size;
-
+
ret = krb5_init_etype(context, &etypes.len, &etypes.val, NULL);
if (ret)
return ret;
ALLOC_SEQ(&ad, 1);
if (ad.val == NULL) {
free(buf);
- krb5_set_error_string(context, "malloc: out of memory");
+ krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
return ENOMEM;
}
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");
+ free(buf);
+ krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
return ENOMEM;
}
ALLOC_SEQ(*auth_data, 1);
if ((*auth_data)->val == NULL) {
+ free(*auth_data);
free(buf);
- krb5_set_error_string(context, "malloc: out of memory");
+ krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
return ENOMEM;
}
}
krb5_error_code KRB5_LIB_FUNCTION
-krb5_build_authenticator (krb5_context context,
+_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;
+ 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;
- }
+ memset(&auth, 0, sizeof(auth));
+
+ auth.authenticator_vno = 5;
+ copy_Realm(&cred->client->realm, &auth.crealm);
+ copy_PrincipalName(&cred->client->name, &auth.cname);
- 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);
- krb5_us_timeofday (context, &auth->ctime, &auth->cusec);
-
- ret = krb5_auth_con_getlocalsubkey(context, auth_context, &auth->subkey);
+ 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,
+ &cred->session,
&auth_context->local_seqnumber);
- ALLOC(auth->seq_number, 1);
- if(auth->seq_number == NULL) {
+ ALLOC(auth.seq_number, 1);
+ if(auth.seq_number == NULL) {
ret = ENOMEM;
goto fail;
}
- *auth->seq_number = auth_context->local_seqnumber;
+ *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);
+ auth.seq_number = NULL;
+ auth.authorization_data = NULL;
+
+ if (cksum) {
+ ALLOC(auth.cksum, 1);
+ if (auth.cksum == NULL) {
+ ret = ENOMEM;
+ goto fail;
+ }
+ ret = copy_Checksum(cksum, auth.cksum);
if (ret)
goto fail;
+
+ if (auth.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;
+ auth_context->authenticator->ctime = auth.ctime;
+ auth_context->authenticator->cusec = auth.cusec;
- ASN1_MALLOC_ENCODE(Authenticator, buf, buf_size, auth, &len, ret);
+ ASN1_MALLOC_ENCODE(Authenticator, buf, buf_size, &auth, &len, ret);
if (ret)
goto fail;
if(buf_size != len)
ret = krb5_encrypt (context,
crypto,
usage /* KRB5_KU_AP_REQ_AUTH */,
- buf + buf_size - len,
+ buf,
len,
result);
krb5_crypto_destroy(context, crypto);
if (ret)
goto fail;
+ fail:
+ free_Authenticator (&auth);
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;
}
git.samba.org / samba.git / blobdiff