libcli:util: Add gnutls_error

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/libcli/util/gnutls_error.c b/libcli/util/gnutls_error.c
new file mode 100644 (file)
index 0000000..306977c
--- /dev/null
+++ b/libcli/util/gnutls_error.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2019      Andreas Schneider <asn@samba.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "gnutls_error.h"
+
+#include <gnutls/gnutls.h>
+
+NTSTATUS _gnutls_error_to_ntstatus(int gnutls_rc,
+                                  NTSTATUS blocked_status,
+                                  const char *function,
+                                  const char *location)
+{
+       NTSTATUS status;
+
+       if (gnutls_rc == GNUTLS_E_SUCCESS) {
+               return NT_STATUS_OK;
+       }
+
+       switch (gnutls_rc) {
+       case GNUTLS_E_UNWANTED_ALGORITHM:
+               status = blocked_status;
+               break;
+       case GNUTLS_E_MEMORY_ERROR:
+               status = NT_STATUS_NO_MEMORY;
+               break;
+       case GNUTLS_E_INVALID_REQUEST:
+               status = NT_STATUS_INVALID_VARIANT;
+               break;
+       case GNUTLS_E_DECRYPTION_FAILED:
+               status = NT_STATUS_DECRYPTION_FAILED;
+               break;
+       case GNUTLS_E_ENCRYPTION_FAILED:
+               status = NT_STATUS_ENCRYPTION_FAILED;
+               break;
+       case GNUTLS_E_SHORT_MEMORY_BUFFER:
+               status = NT_STATUS_INVALID_PARAMETER;
+               break;
+       case GNUTLS_E_BASE64_DECODING_ERROR:
+       case GNUTLS_E_HASH_FAILED:
+       case GNUTLS_E_LIB_IN_ERROR_STATE:
+       case GNUTLS_E_INTERNAL_ERROR:
+       default:
+               status = NT_STATUS_INTERNAL_ERROR;
+               break;
+       }
+
+       D_WARNING("%s: GNUTLS ERROR: %s, NTSTATUS: %s at %s\n",
+                 function,
+                 gnutls_strerror_name(gnutls_rc),
+                 nt_errstr(status),
+                 location);
+
+       return status;
+}

diff --git a/libcli/util/gnutls_error.h b/libcli/util/gnutls_error.h
new file mode 100644 (file)
index 0000000..fa6420c
--- /dev/null
+++ b/libcli/util/gnutls_error.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2019      Andreas Schneider <asn@samba.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _GNUTLS_ERROR_H
+#define _GNUTLS_ERROR_H
+
+#include "ntstatus.h"
+
+NTSTATUS _gnutls_error_to_ntstatus(int gnutls_rc,
+                                  NTSTATUS blocked_status,
+                                  const char *function,
+                                  const char *location);
+#define gnutls_error_to_ntstatus(gnutls_rc, blocked_status) \
+       _gnutls_error_to_ntstatus(gnutls_rc, blocked_status, \
+                                 __FUNCTION__, __location__)
+
+#endif /* _GNUTLS_ERROR_H */

diff --git a/libcli/util/wscript_build b/libcli/util/wscript_build
index 9713c9d5d706686670014edc7e564263cc3b48c3..56a70f888e92a9b27f972bc779d93889f447a865 100644 (file)
--- a/libcli/util/wscript_build
+++ b/libcli/util/wscript_build
@@ -2,11 +2,12 @@
 
 
 bld.SAMBA_LIBRARY('samba-errors',
-                  public_headers='error.h ntstatus.h ntstatus_gen.h doserr.h werror.h werror_gen.h hresult.h',
+                  public_headers='error.h ntstatus.h ntstatus_gen.h doserr.h werror.h werror_gen.h hresult.h gnutls_error.h',
                   private_headers='nterr_private.h',
                   header_path='core',
-                  source='doserr.c errormap.c nterr.c errmap_unix.c hresult.c',
+                  source='doserr.c errormap.c nterr.c errmap_unix.c hresult.c gnutls_error.c',
                   public_deps='talloc samba-debug',
+                  deps='gnutls',
                   # private_library=True,
                   pc_files=[],
                   vnum='1',