- Flatten the vendor heimdal tree.

1 files changed, 273 insertions, 0 deletions

diff --git a/lib/kadm5/set_keys.c b/lib/kadm5/set_keys.c
new file mode 100644
index 0000000..ee4de3b
--- /dev/null
+++ b/lib/kadm5/set_keys.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 1997 - 2001, 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 "kadm5_locl.h"
+
+RCSID("$Id: set_keys.c 15888 2005-08-11 13:40:35Z lha $");
+
+/*
+ * Set the keys of `ent' to the string-to-key of `password'
+ */
+
+kadm5_ret_t
+_kadm5_set_keys(kadm5_server_context *context,
+		hdb_entry *ent, 
+		const char *password)
+{
+    Key *keys;
+    size_t num_keys;
+    kadm5_ret_t ret;
+
+    ret = hdb_generate_key_set_password(context->context,
+					ent->principal, 
+					password, &keys, &num_keys);
+    if (ret)
+	return ret;
+
+    _kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
+    ent->keys.val = keys;
+    ent->keys.len = num_keys;
+
+    hdb_entry_set_pw_change_time(context->context, ent, 0);
+
+    if (krb5_config_get_bool_default(context->context, NULL, FALSE, 
+				     "kadmin", "save-password", NULL))
+    {
+	ret = hdb_entry_set_password(context->context, context->db,
+				     ent, password);
+	if (ret)
+	    return ret;
+    }
+
+    return 0;
+}
+
+/*
+ * Set the keys of `ent' to (`n_key_data', `key_data')
+ */
+
+kadm5_ret_t
+_kadm5_set_keys2(kadm5_server_context *context,
+		 hdb_entry *ent, 
+		 int16_t n_key_data, 
+		 krb5_key_data *key_data)
+{
+    krb5_error_code ret;
+    int i;
+    unsigned len;
+    Key *keys;
+
+    len  = n_key_data;
+    keys = malloc (len * sizeof(*keys));
+    if (keys == NULL)
+	return ENOMEM;
+
+    _kadm5_init_keys (keys, len);
+
+    for(i = 0; i < n_key_data; i++) {
+	keys[i].mkvno = NULL;
+	keys[i].key.keytype = key_data[i].key_data_type[0];
+	ret = krb5_data_copy(&keys[i].key.keyvalue,
+			     key_data[i].key_data_contents[0],
+			     key_data[i].key_data_length[0]);
+	if(ret)
+	    goto out;
+	if(key_data[i].key_data_ver == 2) {
+	    Salt *salt;
+
+	    salt = malloc(sizeof(*salt));
+	    if(salt == NULL) {
+		ret = ENOMEM;
+		goto out;
+	    }
+	    keys[i].salt = salt;
+	    salt->type = key_data[i].key_data_type[1];
+	    krb5_data_copy(&salt->salt, 
+			   key_data[i].key_data_contents[1],
+			   key_data[i].key_data_length[1]);
+	} else
+	    keys[i].salt = NULL;
+    }
+    _kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
+    ent->keys.len = len;
+    ent->keys.val = keys;
+
+    hdb_entry_set_pw_change_time(context->context, ent, 0);
+    hdb_entry_clear_password(context->context, ent);
+
+    return 0;
+ out:
+    _kadm5_free_keys (context->context, len, keys);
+    return ret;
+}
+
+/*
+ * Set the keys of `ent' to `n_keys, keys'
+ */
+
+kadm5_ret_t
+_kadm5_set_keys3(kadm5_server_context *context,
+		 hdb_entry *ent,
+		 int n_keys,
+		 krb5_keyblock *keyblocks)
+{
+    krb5_error_code ret;
+    int i;
+    unsigned len;
+    Key *keys;
+
+    len  = n_keys;
+    keys = malloc (len * sizeof(*keys));
+    if (keys == NULL)
+	return ENOMEM;
+
+    _kadm5_init_keys (keys, len);
+
+    for(i = 0; i < n_keys; i++) {
+	keys[i].mkvno = NULL;
+	ret = krb5_copy_keyblock_contents (context->context,
+					   &keyblocks[i],
+					   &keys[i].key);
+	if(ret)
+	    goto out;
+	keys[i].salt = NULL;
+    }
+    _kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
+    ent->keys.len = len;
+    ent->keys.val = keys;
+
+    hdb_entry_set_pw_change_time(context->context, ent, 0);
+    hdb_entry_clear_password(context->context, ent);
+
+    return 0;
+ out:
+    _kadm5_free_keys (context->context, len, keys);
+    return ret;
+}
+
+/*
+ *
+ */
+
+static int
+is_des_key_p(int keytype)
+{
+    return keytype == ETYPE_DES_CBC_CRC ||
+    	keytype == ETYPE_DES_CBC_MD4 ||
+	keytype == ETYPE_DES_CBC_MD5;
+}
+
+
+/*
+ * Set the keys of `ent' to random keys and return them in `n_keys'
+ * and `new_keys'.
+ */
+
+kadm5_ret_t
+_kadm5_set_keys_randomly (kadm5_server_context *context,
+			  hdb_entry *ent,
+			  krb5_keyblock **new_keys,
+			  int *n_keys)
+{
+   krb5_keyblock *kblock = NULL;
+   kadm5_ret_t ret = 0;
+   int i, des_keyblock;
+   size_t num_keys;
+   Key *keys;
+
+   ret = hdb_generate_key_set(context->context, ent->principal,
+			       &keys, &num_keys, 1);
+   if (ret)
+	return ret;
+
+   kblock = malloc(num_keys * sizeof(kblock[0]));
+   if (kblock == NULL) {
+	ret = ENOMEM;
+	_kadm5_free_keys (context->context, num_keys, keys);
+	return ret;
+   }
+   memset(kblock, 0, num_keys * sizeof(kblock[0]));
+
+   des_keyblock = -1;
+   for (i = 0; i < num_keys; i++) {
+
+	/* 
+	 * To make sure all des keys are the the same we generate only
+	 * the first one and then copy key to all other des keys.
+	 */
+
+	if (des_keyblock != -1 && is_des_key_p(keys[i].key.keytype)) {
+	    ret = krb5_copy_keyblock_contents (context->context,
+					       &kblock[des_keyblock],
+					       &kblock[i]);
+	    if (ret)
+		goto out;
+	    kblock[i].keytype = keys[i].key.keytype;
+	} else {
+	    ret = krb5_generate_random_keyblock (context->context,
+						 keys[i].key.keytype,
+						 &kblock[i]);
+	    if (ret)
+		goto out;
+
+	    if (is_des_key_p(keys[i].key.keytype))
+		des_keyblock = i;
+	}
+
+	ret = krb5_copy_keyblock_contents (context->context,
+					   &kblock[i],
+					   &keys[i].key);
+	if (ret)
+	    goto out;
+   }
+
+out:
+   if(ret) {
+	for (i = 0; i < num_keys; ++i)
+	    krb5_free_keyblock_contents (context->context, &kblock[i]);
+	free(kblock);
+	_kadm5_free_keys (context->context, num_keys, keys);
+	return ret;
+   }
+   
+   _kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
+   ent->keys.val = keys;
+   ent->keys.len = num_keys;
+   *new_keys     = kblock;
+   *n_keys       = num_keys;
+
+   hdb_entry_set_pw_change_time(context->context, ent, 0);
+   hdb_entry_clear_password(context->context, ent);
+
+   return 0;
+}