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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/heimdal/lib/kadm5/randkey_c.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/lib/kadm5/randkey_c.c')
-rw-r--r--third_party/heimdal/lib/kadm5/randkey_c.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/kadm5/randkey_c.c b/third_party/heimdal/lib/kadm5/randkey_c.c
new file mode 100644
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+++ b/third_party/heimdal/lib/kadm5/randkey_c.c
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+/*
+ * Copyright (c) 1997 - 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 "kadm5_locl.h"
+
+RCSID("$Id$");
+
+kadm5_ret_t
+kadm5_c_randkey_principal(void *server_handle,
+ krb5_principal princ,
+ krb5_boolean keepold,
+ int n_ks_tuple,
+ krb5_key_salt_tuple *ks_tuple,
+ krb5_keyblock **new_keys,
+ int *n_keys)
+{
+ kadm5_client_context *context = server_handle;
+ kadm5_ret_t ret;
+ krb5_storage *sp;
+ unsigned char buf[1536];
+ int32_t tmp;
+ size_t i;
+ krb5_data reply;
+ krb5_keyblock *k;
+
+ ret = _kadm5_connect(server_handle, 1 /* want_write */);
+ if (ret)
+ return ret;
+
+ krb5_data_zero(&reply);
+
+ sp = krb5_storage_from_mem(buf, sizeof(buf));
+ if (sp == NULL) {
+ ret = krb5_enomem(context->context);
+ goto out_keep_error;
+ }
+
+ /*
+ * NOTE WELL: This message is extensible. It currently consists of:
+ *
+ * - opcode (kadm_randkey)
+ * - principal name (princ)
+ *
+ * followed by optional items, each of which must be present if
+ * there are any items following them that are also present:
+ *
+ * - keepold boolean (whether to delete old kvnos)
+ * - number of key/salt type tuples
+ * - array of {enctype, salttype}
+ *
+ * Eventually we may add:
+ *
+ * - opaque string2key parameters (salt, rounds, ...)
+ */
+ ret = krb5_store_int32(sp, kadm_randkey);
+ if (ret == 0)
+ ret = krb5_store_principal(sp, princ);
+
+ if (ret == 0 && (keepold == TRUE || n_ks_tuple > 0))
+ ret = krb5_store_uint32(sp, keepold);
+ if (ret == 0 && n_ks_tuple > 0)
+ ret = krb5_store_uint32(sp, n_ks_tuple);
+ for (i = 0; ret == 0 && i < n_ks_tuple; i++) {
+ ret = krb5_store_int32(sp, ks_tuple[i].ks_enctype);
+ if (ret == 0)
+ ret = krb5_store_int32(sp, ks_tuple[i].ks_salttype);
+ }
+ /* Future extensions go here */
+ if (ret)
+ goto out;
+
+ ret = _kadm5_client_send(context, sp);
+ if (ret)
+ goto out_keep_error;
+ ret = _kadm5_client_recv(context, &reply);
+ if (ret)
+ goto out_keep_error;
+ krb5_storage_free(sp);
+ sp = krb5_storage_from_data(&reply);
+ if (sp == NULL) {
+ ret = krb5_enomem(context->context);
+ goto out_keep_error;
+ }
+ ret = krb5_ret_int32(sp, &tmp);
+ if (ret == 0)
+ ret = tmp;
+ if (ret)
+ goto out;
+
+ ret = krb5_ret_int32(sp, &tmp);
+ if (ret)
+ goto out;
+ if (tmp < 0) {
+ ret = EOVERFLOW;
+ goto out;
+ }
+ k = calloc(tmp, sizeof(*k));
+ if (k == NULL) {
+ ret = krb5_enomem(context->context);
+ goto out_keep_error;
+ }
+ for (i = 0; ret == 0 && i < tmp; i++) {
+ ret = krb5_ret_keyblock(sp, &k[i]);
+ if (ret)
+ break;
+ }
+ if (ret == 0 && n_keys && new_keys) {
+ *n_keys = tmp;
+ *new_keys = k;
+ } else {
+ krb5_free_keyblock_contents(context->context, &k[i]);
+ for (; i > 0; i--)
+ krb5_free_keyblock_contents(context->context, &k[i - 1]);
+ free(k);
+ }
+
+ out:
+ krb5_clear_error_message(context->context);
+
+ out_keep_error:
+ krb5_storage_free(sp);
+ krb5_data_free(&reply);
+ return ret;
+}