Merge tag 'upstream/4.0.5+dfsg1' into samba_4.0_ivo

[abartlet/samba-debian.git] / source4 / heimdal / lib / gssapi / krb5 / authorize_localname.c

diff --git a/source4/heimdal/lib/gssapi/krb5/authorize_localname.c b/source4/heimdal/lib/gssapi/krb5/authorize_localname.c
new file mode 100644 (file)
index 0000000..4bab062
--- /dev/null
+++ b/source4/heimdal/lib/gssapi/krb5/authorize_localname.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2011, PADL Software Pty Ltd.
+ * 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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 "gsskrb5_locl.h"
+
+OM_uint32 GSSAPI_CALLCONV
+_gsskrb5_authorize_localname(OM_uint32 *minor_status,
+                             const gss_name_t input_name,
+                             gss_const_buffer_t user_name,
+                             gss_const_OID user_name_type)
+{
+    krb5_context context;
+    krb5_principal princ = (krb5_principal)input_name;
+    char *user;
+    int user_ok;
+
+    if (!gss_oid_equal(user_name_type, GSS_C_NT_USER_NAME))
+        return GSS_S_BAD_NAMETYPE;
+
+    GSSAPI_KRB5_INIT(&context);
+
+    user = malloc(user_name->length + 1);
+    if (user == NULL) {
+        *minor_status = ENOMEM;
+        return GSS_S_FAILURE;
+    }
+
+    memcpy(user, user_name->value, user_name->length);
+    user[user_name->length] = '\0';
+
+    *minor_status = 0;
+    user_ok = krb5_kuserok(context, princ, user);
+
+    free(user);
+
+    return user_ok ? GSS_S_COMPLETE : GSS_S_UNAUTHORIZED;
+}