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-rw-r--r--third_party/heimdal/lib/krb5/asn1_glue.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/krb5/asn1_glue.c b/third_party/heimdal/lib/krb5/asn1_glue.c
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+++ b/third_party/heimdal/lib/krb5/asn1_glue.c
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+/*
+ * 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 "krb5_locl.h"
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+_krb5_principal2principalname(PrincipalName *p,
+ krb5_const_principal from)
+{
+ return copy_PrincipalName(&from->name, p);
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+_krb5_principalname2krb5_principal (krb5_context context,
+ krb5_principal *principal,
+ const PrincipalName from,
+ const Realm realm)
+{
+ krb5_error_code ret;
+ krb5_principal p;
+
+ p = calloc(1, sizeof(*p));
+ if (p == NULL)
+ return krb5_enomem(context);
+ ret = copy_PrincipalName(&from, &p->name);
+ if (ret) {
+ free(p);
+ return ret;
+ }
+ p->realm = strdup(realm);
+ if (p->realm == NULL) {
+ free_PrincipalName(&p->name);
+ free(p);
+ return krb5_enomem(context);
+ }
+ *principal = p;
+ return 0;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+_krb5_ticket2krb5_principal(krb5_context context,
+ krb5_principal *principal,
+ const EncTicketPart *ticket,
+ const AuthorizationData *authenticator_ad)
+{
+ krb5_error_code ret;
+ krb5_principal p = NULL;
+
+ *principal = NULL;
+
+ ret = _krb5_principalname2krb5_principal(context,
+ &p,
+ ticket->cname,
+ ticket->crealm);
+ if (ret == 0 &&
+ (p->nameattrs = calloc(1, sizeof(p->nameattrs[0]))) == NULL)
+ ret = krb5_enomem(context);
+ if (ret == 0)
+ p->nameattrs->authenticated = 1;
+ if (ret == 0 &&
+ (p->nameattrs->source =
+ calloc(1, sizeof(p->nameattrs->source[0]))) == NULL)
+ ret = krb5_enomem(context);
+ if (ret == 0) {
+ p->nameattrs->source->element =
+ choice_PrincipalNameAttrSrc_enc_ticket_part;
+ ret = copy_EncTicketPart(ticket,
+ &p->nameattrs->source->u.enc_ticket_part);
+ /* NOTE: we don't want to keep a copy of the session key here! */
+ if (ret == 0)
+ der_free_octet_string(&p->nameattrs->source->u.enc_ticket_part.key.keyvalue);
+ }
+ if (ret == 0 && authenticator_ad) {
+ p->nameattrs->authenticator_ad =
+ calloc(1, sizeof(p->nameattrs->authenticator_ad[0]));
+ if (p->nameattrs->authenticator_ad == NULL)
+ ret = krb5_enomem(context);
+ if (ret == 0)
+ ret = copy_AuthorizationData(authenticator_ad,
+ p->nameattrs->authenticator_ad);
+ }
+
+ if (ret == 0)
+ *principal = p;
+ else
+ krb5_free_principal(context, p);
+ return ret;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+_krb5_kdcrep2krb5_principal(krb5_context context,
+ krb5_principal *principal,
+ const EncKDCRepPart *kdcrep)
+{
+ krb5_error_code ret;
+ krb5_principal p = NULL;
+
+ *principal = NULL;
+
+ ret = _krb5_principalname2krb5_principal(context,
+ &p,
+ kdcrep->sname,
+ kdcrep->srealm);
+ if (ret == 0 &&
+ (p->nameattrs = calloc(1, sizeof(p->nameattrs[0]))) == NULL)
+ ret = krb5_enomem(context);
+ if (ret == 0)
+ p->nameattrs->authenticated = 1;
+ if (ret == 0 &&
+ (p->nameattrs->source =
+ calloc(1, sizeof(p->nameattrs->source[0]))) == NULL)
+ ret = krb5_enomem(context);
+ if (ret == 0) {
+ p->nameattrs->source->element =
+ choice_PrincipalNameAttrSrc_enc_kdc_rep_part;
+ ret = copy_EncKDCRepPart(kdcrep,
+ &p->nameattrs->source->u.enc_kdc_rep_part);
+ /* NOTE: we don't want to keep a copy of the session key here! */
+ if (ret == 0)
+ der_free_octet_string(&p->nameattrs->source->u.enc_kdc_rep_part.key.keyvalue);
+ }
+
+ if (ret == 0)
+ *principal = p;
+ else
+ krb5_free_principal(context, p);
+ return ret;
+}