Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 220 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/kadm5/setkey3_s.c b/third_party/heimdal/lib/kadm5/setkey3_s.c
new file mode 100644
index 0000000..584c194
--- /dev/null
+++ b/third_party/heimdal/lib/kadm5/setkey3_s.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 1997-2001, 2003, 2005-2006 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"
+
+struct setkey_principal_hook_ctx {
+    kadm5_server_context *context;
+    enum kadm5_hook_stage stage;
+    krb5_error_code code;
+    krb5_const_principal princ;
+    uint32_t flags;
+    size_t n_ks_tuple;
+    krb5_key_salt_tuple *ks_tuple;
+    size_t n_keys;
+    krb5_keyblock *keys;
+};
+
+static krb5_error_code KRB5_LIB_CALL
+setkey_principal_hook_cb(krb5_context context,
+			 const void *hook,
+			 void *hookctx,
+			 void *userctx)
+{
+    krb5_error_code ret;
+    const struct kadm5_hook_ftable *ftable = hook;
+    struct setkey_principal_hook_ctx *ctx = userctx;
+
+    ret = ftable->set_keys(context, hookctx,
+			   ctx->stage, ctx->code,
+			   ctx->princ, ctx->flags,
+			   ctx->n_ks_tuple, ctx->ks_tuple,
+			   ctx->n_keys, ctx->keys);
+    if (ret != 0 && ret != KRB5_PLUGIN_NO_HANDLE)
+	_kadm5_s_set_hook_error_message(ctx->context, ret, "setkey",
+					hook, ctx->stage);
+
+    /* only pre-commit plugins can abort */
+    if (ret == 0 || ctx->stage == KADM5_HOOK_STAGE_POSTCOMMIT)
+	ret = KRB5_PLUGIN_NO_HANDLE;
+
+    return ret;
+}
+
+static kadm5_ret_t
+setkey_principal_hook(kadm5_server_context *context,
+		      enum kadm5_hook_stage stage,
+		      krb5_error_code code,
+		      krb5_const_principal princ,
+		      uint32_t flags,
+		      size_t n_ks_tuple,
+		      krb5_key_salt_tuple *ks_tuple,
+		      size_t n_keys,
+		      krb5_keyblock *keyblocks)
+{
+    krb5_error_code ret;
+    struct setkey_principal_hook_ctx ctx;
+
+    ctx.context = context;
+    ctx.stage = stage;
+    ctx.code = code;
+    ctx.princ = princ;
+    ctx.flags = flags;
+    ctx.n_ks_tuple = n_ks_tuple;
+    ctx.ks_tuple = ks_tuple;
+    ctx.n_keys = n_keys;
+    ctx.keys = keyblocks;
+
+    ret = _krb5_plugin_run_f(context->context, &kadm5_hook_plugin_data,
+			     0, &ctx, setkey_principal_hook_cb);
+    if (ret == KRB5_PLUGIN_NO_HANDLE)
+	ret = 0;
+
+    return ret;
+}
+
+/**
+ * Server-side function to set new keys for a principal.
+ */
+kadm5_ret_t
+kadm5_s_setkey_principal_3(void *server_handle,
+			   krb5_principal princ,
+			   krb5_boolean keepold,
+			   int n_ks_tuple,
+			   krb5_key_salt_tuple *ks_tuple,
+			   krb5_keyblock *keyblocks, int n_keys)
+{
+    kadm5_server_context *context = server_handle;
+    hdb_entry ent;
+    kadm5_ret_t ret = 0;
+    size_t i;
+
+    memset(&ent, 0, sizeof(ent));
+    if (!context->keep_open)
+	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
+    if (ret)
+	return ret;
+
+    ret = kadm5_log_init(context);
+    if (ret) {
+        if (!context->keep_open)
+            context->db->hdb_close(context->context, context->db);
+        return ret;
+    }
+
+    /* NOTE: We do not use hdb_fetch_kvno() here (maybe we should?) */
+    ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
+                                      HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA,
+                                      0, &ent);
+    if (ret) {
+        (void) kadm5_log_end(context);
+        if (!context->keep_open)
+            context->db->hdb_close(context->context, context->db);
+        return ret;
+    }
+
+    ret = setkey_principal_hook(context, KADM5_HOOK_STAGE_PRECOMMIT, 0,
+				princ, keepold ? KADM5_HOOK_FLAG_KEEPOLD : 0,
+				n_ks_tuple, ks_tuple, n_keys, keyblocks);
+    if (ret) {
+        (void) kadm5_log_end(context);
+        if (!context->keep_open)
+            context->db->hdb_close(context->context, context->db);
+        return ret;
+    }
+
+    if (keepold) {
+        ret = hdb_add_current_keys_to_history(context->context, &ent);
+    } else
+	ret = hdb_clear_extension(context->context, &ent,
+				  choice_HDB_extension_data_hist_keys);
+
+    /*
+     * Though in practice all real calls to this function will pass an empty
+     * ks_tuple, and cannot in any case employ any salts that require
+     * additional data, we go the extra mile to set any requested salt type
+     * along with a zero length salt value.  While we're at it we check that
+     * each ks_tuple's enctype matches the corresponding key enctype.
+     */
+    if (ret == 0) {
+	free_Keys(&ent.keys);
+	for (i = 0; i < n_keys; ++i) {
+	    Key k;
+	    Salt s;
+
+	    k.mkvno = 0;
+	    k.key = keyblocks[i];
+	    if (n_ks_tuple == 0)
+		k.salt = 0;
+	    else {
+		if (ks_tuple[i].ks_enctype != keyblocks[i].keytype) {
+		    ret = KADM5_SETKEY3_ETYPE_MISMATCH;
+		    break;
+		}
+		s.type = ks_tuple[i].ks_salttype;
+		s.salt.data = 0;
+		s.opaque = 0;
+		k.salt = &s;
+	    }
+	    if ((ret = add_Keys(&ent.keys, &k)) != 0)
+		break;
+	}
+    }
+
+    if (ret == 0) {
+	ent.kvno++;
+	ent.flags.require_pwchange = 0;
+	hdb_entry_set_pw_change_time(context->context, &ent, 0);
+	hdb_entry_clear_password(context->context, &ent);
+
+	if ((ret = hdb_seal_keys(context->context, context->db,
+				 &ent)) == 0
+	    && (ret = _kadm5_set_modifier(context, &ent)) == 0
+	    && (ret = _kadm5_bump_pw_expire(context, &ent)) == 0)
+	    ret = kadm5_log_modify(context, &ent,
+                                   KADM5_ATTRIBUTES | KADM5_PRINCIPAL |
+                                   KADM5_MOD_NAME | KADM5_MOD_TIME |
+                                   KADM5_KEY_DATA | KADM5_KVNO |
+                                   KADM5_PW_EXPIRATION | KADM5_TL_DATA);
+    }
+
+    (void) setkey_principal_hook(context, KADM5_HOOK_STAGE_POSTCOMMIT, ret,
+				 princ, keepold, n_ks_tuple, ks_tuple,
+				 n_keys, keyblocks);
+
+    hdb_free_entry(context->context, context->db, &ent);
+    (void) kadm5_log_end(context);
+    if (!context->keep_open)
+	context->db->hdb_close(context->context, context->db);
+    return _kadm5_error_code(ret);
+}