Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

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

1 files changed, 145 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/kadm5/delete_s.c b/third_party/heimdal/lib/kadm5/delete_s.c
new file mode 100644
index 0000000..aa9fdb4
--- /dev/null
+++ b/third_party/heimdal/lib/kadm5/delete_s.c
@@ -0,0 +1,145 @@
+/*
+ * 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"
+
+RCSID("$Id$");
+
+struct delete_principal_hook_ctx {
+    kadm5_server_context *context;
+    enum kadm5_hook_stage stage;
+    krb5_error_code code;
+    krb5_const_principal princ;
+};
+
+static krb5_error_code KRB5_LIB_CALL
+delete_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 delete_principal_hook_ctx *ctx = userctx;
+
+    ret = ftable->delete(context, hookctx,
+			 ctx->stage, ctx->code, ctx->princ);
+    if (ret != 0 && ret != KRB5_PLUGIN_NO_HANDLE)
+	_kadm5_s_set_hook_error_message(ctx->context, ret, "delete",
+					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
+delete_principal_hook(kadm5_server_context *context,
+		      enum kadm5_hook_stage stage,
+		      krb5_error_code code,
+		      krb5_const_principal princ)
+{
+    krb5_error_code ret;
+    struct delete_principal_hook_ctx ctx;
+
+    ctx.context = context;
+    ctx.stage = stage;
+    ctx.code = code;
+    ctx.princ = princ;
+
+    ret = _krb5_plugin_run_f(context->context, &kadm5_hook_plugin_data,
+			     0, &ctx, delete_principal_hook_cb);
+    if (ret == KRB5_PLUGIN_NO_HANDLE)
+	ret = 0;
+
+    return ret;
+}
+
+kadm5_ret_t
+kadm5_s_delete_principal(void *server_handle, krb5_principal princ)
+{
+    kadm5_server_context *context = server_handle;
+    kadm5_ret_t ret;
+    hdb_entry ent;
+
+    memset(&ent, 0, sizeof(ent));
+    if (!context->keep_open) {
+	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
+	if(ret) {
+	    krb5_warn(context->context, ret, "opening database");
+	    return ret;
+	}
+    }
+
+    ret = kadm5_log_init(context);
+    if (ret)
+        goto out;
+
+    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 == HDB_ERR_NOENTRY)
+	goto out2;
+    if (ent.flags.immutable) {
+	ret = KADM5_PROTECT_PRINCIPAL;
+	goto out3;
+    }
+
+    ret = delete_principal_hook(context, KADM5_HOOK_STAGE_PRECOMMIT, 0, princ);
+    if (ret)
+	goto out3;
+
+    ret = hdb_seal_keys(context->context, context->db, &ent);
+    if (ret)
+	goto out3;
+
+    /* This logs the change for iprop and writes to the HDB */
+    ret = kadm5_log_delete(context, princ);
+
+    (void) delete_principal_hook(context, KADM5_HOOK_STAGE_POSTCOMMIT, ret, princ);
+
+ out3:
+    hdb_free_entry(context->context, context->db, &ent);
+ out2:
+    (void) kadm5_log_end(context);
+ out:
+    if (!context->keep_open) {
+        kadm5_ret_t ret2;
+        ret2 = context->db->hdb_close(context->context, context->db);
+        if (ret == 0 && ret2 != 0)
+            ret = ret2;
+    }
+    return _kadm5_error_code(ret);
+}