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-rw-r--r--crypto/heimdal/kdc/524.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/crypto/heimdal/kdc/524.c b/crypto/heimdal/kdc/524.c
deleted file mode 100644
index 21bc6a1359d43..0000000000000
--- a/crypto/heimdal/kdc/524.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * Copyright (c) 1997-2002 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 "kdc_locl.h"
-
-RCSID("$Id: 524.c,v 1.25 2002/07/31 09:43:20 joda Exp $");
-
-#ifdef KRB4
-
-/*
- * fetch the server from `t', returning the name in malloced memory in
- * `spn' and the entry itself in `server'
- */
-
-static krb5_error_code
-fetch_server (const Ticket *t,
- char **spn,
- hdb_entry **server,
- const char *from)
-{
- krb5_error_code ret;
- krb5_principal sprinc;
-
- ret = principalname2krb5_principal(&sprinc, t->sname, t->realm);
- if (ret) {
- kdc_log(0, "principalname2krb5_principal: %s",
- krb5_get_err_text(context, ret));
- return ret;
- }
- ret = krb5_unparse_name(context, sprinc, spn);
- if (ret) {
- krb5_free_principal(context, sprinc);
- kdc_log(0, "krb5_unparse_name: %s", krb5_get_err_text(context, ret));
- return ret;
- }
- ret = db_fetch(sprinc, server);
- krb5_free_principal(context, sprinc);
- if (ret) {
- kdc_log(0,
- "Request to convert ticket from %s for unknown principal %s: %s",
- from, *spn, krb5_get_err_text(context, ret));
- if (ret == HDB_ERR_NOENTRY)
- ret = KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN;
- return ret;
- }
- return 0;
-}
-
-static krb5_error_code
-log_524 (const EncTicketPart *et,
- const char *from,
- const char *spn)
-{
- krb5_principal client;
- char *cpn;
- krb5_error_code ret;
-
- ret = principalname2krb5_principal(&client, et->cname, et->crealm);
- if (ret) {
- kdc_log(0, "principalname2krb5_principal: %s",
- krb5_get_err_text (context, ret));
- return ret;
- }
- ret = krb5_unparse_name(context, client, &cpn);
- if (ret) {
- krb5_free_principal(context, client);
- kdc_log(0, "krb5_unparse_name: %s",
- krb5_get_err_text (context, ret));
- return ret;
- }
- kdc_log(1, "524-REQ %s from %s for %s", cpn, from, spn);
- free(cpn);
- krb5_free_principal(context, client);
- return 0;
-}
-
-static krb5_error_code
-verify_flags (const EncTicketPart *et,
- const char *spn)
-{
- if(et->endtime < kdc_time){
- kdc_log(0, "Ticket expired (%s)", spn);
- return KRB5KRB_AP_ERR_TKT_EXPIRED;
- }
- if(et->flags.invalid){
- kdc_log(0, "Ticket not valid (%s)", spn);
- return KRB5KRB_AP_ERR_TKT_NYV;
- }
- return 0;
-}
-
-/*
- * set the `et->caddr' to the most appropriate address to use, where
- * `addr' is the address the request was received from.
- */
-
-static krb5_error_code
-set_address (EncTicketPart *et,
- struct sockaddr *addr,
- const char *from)
-{
- krb5_error_code ret;
- krb5_address *v4_addr;
-
- v4_addr = malloc (sizeof(*v4_addr));
- if (v4_addr == NULL)
- return ENOMEM;
-
- ret = krb5_sockaddr2address(context, addr, v4_addr);
- if(ret) {
- free (v4_addr);
- kdc_log(0, "Failed to convert address (%s)", from);
- return ret;
- }
-
- if (et->caddr && !krb5_address_search (context, v4_addr, et->caddr)) {
- kdc_log(0, "Incorrect network address (%s)", from);
- krb5_free_address(context, v4_addr);
- free (v4_addr);
- return KRB5KRB_AP_ERR_BADADDR;
- }
- if(v4_addr->addr_type == KRB5_ADDRESS_INET) {
- /* we need to collapse the addresses in the ticket to a
- single address; best guess is to use the address the
- connection came from */
-
- if (et->caddr != NULL) {
- free_HostAddresses(et->caddr);
- } else {
- et->caddr = malloc (sizeof (*et->caddr));
- if (et->caddr == NULL) {
- krb5_free_address(context, v4_addr);
- free(v4_addr);
- return ENOMEM;
- }
- }
- et->caddr->val = v4_addr;
- et->caddr->len = 1;
- } else {
- krb5_free_address(context, v4_addr);
- free(v4_addr);
- }
- return 0;
-}
-
-/*
- * process a 5->4 request, based on `t', and received `from, addr',
- * returning the reply in `reply'
- */
-
-krb5_error_code
-do_524(const Ticket *t, krb5_data *reply,
- const char *from, struct sockaddr *addr)
-{
- krb5_error_code ret = 0;
- krb5_crypto crypto;
- hdb_entry *server = NULL;
- Key *skey;
- krb5_data et_data;
- EncTicketPart et;
- EncryptedData ticket;
- krb5_storage *sp;
- char *spn = NULL;
- unsigned char buf[MAX_KTXT_LEN + 4 * 4];
- size_t len;
-
- if(!enable_524) {
- ret = KRB5KDC_ERR_POLICY;
- kdc_log(0, "Rejected ticket conversion request from %s", from);
- goto out;
- }
-
- ret = fetch_server (t, &spn, &server, from);
- if (ret) {
- goto out;
- }
-
- ret = hdb_enctype2key(context, server, t->enc_part.etype, &skey);
- if(ret){
- kdc_log(0, "No suitable key found for server (%s) from %s", spn, from);
- goto out;
- }
- ret = krb5_crypto_init(context, &skey->key, 0, &crypto);
- if (ret) {
- kdc_log(0, "krb5_crypto_init failed: %s",
- krb5_get_err_text(context, ret));
- goto out;
- }
- ret = krb5_decrypt_EncryptedData (context,
- crypto,
- KRB5_KU_TICKET,
- &t->enc_part,
- &et_data);
- krb5_crypto_destroy(context, crypto);
- if(ret){
- kdc_log(0, "Failed to decrypt ticket from %s for %s", from, spn);
- goto out;
- }
- ret = krb5_decode_EncTicketPart(context, et_data.data, et_data.length,
- &et, &len);
- krb5_data_free(&et_data);
- if(ret){
- kdc_log(0, "Failed to decode ticket from %s for %s", from, spn);
- goto out;
- }
-
- ret = log_524 (&et, from, spn);
- if (ret) {
- free_EncTicketPart(&et);
- goto out;
- }
-
- ret = verify_flags (&et, spn);
- if (ret) {
- free_EncTicketPart(&et);
- goto out;
- }
-
- ret = set_address (&et, addr, from);
- if (ret) {
- free_EncTicketPart(&et);
- goto out;
- }
- ret = encode_v4_ticket(buf + sizeof(buf) - 1, sizeof(buf),
- &et, &t->sname, &len);
- free_EncTicketPart(&et);
- if(ret){
- kdc_log(0, "Failed to encode v4 ticket (%s)", spn);
- goto out;
- }
- ret = get_des_key(server, TRUE, FALSE, &skey);
- if(ret){
- kdc_log(0, "no suitable DES key for server (%s)", spn);
- goto out;
- }
- ret = encrypt_v4_ticket(buf + sizeof(buf) - len, len,
- skey->key.keyvalue.data, &ticket);
- if(ret){
- kdc_log(0, "Failed to encrypt v4 ticket (%s)", spn);
- goto out;
- }
-out:
- /* make reply */
- memset(buf, 0, sizeof(buf));
- sp = krb5_storage_from_mem(buf, sizeof(buf));
- krb5_store_int32(sp, ret);
- if(ret == 0){
- krb5_store_int32(sp, server->kvno); /* is this right? */
- krb5_store_data(sp, ticket.cipher);
- /* Aargh! This is coded as a KTEXT_ST. */
- krb5_storage_seek(sp, MAX_KTXT_LEN - ticket.cipher.length, SEEK_CUR);
- krb5_store_int32(sp, 0); /* mbz */
- free_EncryptedData(&ticket);
- }
- ret = krb5_storage_to_data(sp, reply);
- reply->length = krb5_storage_seek(sp, 0, SEEK_CUR);
- krb5_storage_free(sp);
-
- if(spn)
- free(spn);
- if(server)
- free_ent (server);
- return ret;
-}
-
-#endif /* KRB4 */
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