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, 119 insertions, 0 deletions

diff --git a/source3/libsmb/clierror.c b/source3/libsmb/clierror.c
new file mode 100644
index 0000000..afbec47
--- /dev/null
+++ b/source3/libsmb/clierror.c
@@ -0,0 +1,119 @@
+/*
+   Unix SMB/CIFS implementation.
+   client error handling routines
+   Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) Jelmer Vernooij 2003
+   Copyright (C) Jeremy Allison 2006
+
+   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 "libsmb/libsmb.h"
+#include "../libcli/smb/smbXcli_base.h"
+
+/****************************************************************************
+ Return the 32-bit NT status code from the last packet.
+****************************************************************************/
+
+NTSTATUS cli_nt_error(struct cli_state *cli)
+{
+	/* Deal with socket errors first. */
+	if (!cli_state_is_connected(cli)) {
+		return NT_STATUS_CONNECTION_DISCONNECTED;
+	}
+
+	if (NT_STATUS_IS_DOS(cli->raw_status)) {
+		int e_class = NT_STATUS_DOS_CLASS(cli->raw_status);
+		int code = NT_STATUS_DOS_CODE(cli->raw_status);
+		return dos_to_ntstatus(e_class, code);
+	}
+
+	return cli->raw_status;
+}
+
+int cli_status_to_errno(NTSTATUS status)
+{
+	int err;
+
+	if (NT_STATUS_IS_DOS(status)) {
+                uint8_t eclass = NT_STATUS_DOS_CLASS(status);
+                uint32_t ecode = NT_STATUS_DOS_CODE(status);
+		status = dos_to_ntstatus(eclass, ecode);
+	}
+
+	if (NT_STATUS_EQUAL(status, NT_STATUS_STOPPED_ON_SYMLINK)) {
+		/*
+		 * Legacy code from cli_errno, see Samba up to 4.13: A
+		 * special case for this Vista error. Since its
+		 * high-order byte isn't 0xc0, it won't match
+		 * correctly in map_errno_from_nt_status().
+		 */
+		err = EACCES;
+	} else {
+		err = map_errno_from_nt_status(status);
+	}
+
+	DBG_NOTICE("0x%"PRIx32" -> %d\n", NT_STATUS_V(status), err);
+
+	return err;
+}
+
+/* Return a UNIX errno appropriate for the error received in the last
+   packet. */
+
+int cli_errno(struct cli_state *cli)
+{
+	bool connected;
+	int err;
+
+	connected = cli_state_is_connected(cli);
+	if (!connected) {
+		return EPIPE;
+	}
+
+	err = cli_status_to_errno(cli->raw_status);
+	return err;
+}
+
+/* Return true if the last packet was in error */
+
+bool cli_is_error(struct cli_state *cli)
+{
+	/* A socket error is always an error. */
+	if (!cli_state_is_connected(cli)) {
+		return true;
+	}
+
+	if (NT_STATUS_IS_DOS(cli->raw_status)) {
+		/* Return error if error class in non-zero */
+		uint8_t rcls = NT_STATUS_DOS_CLASS(cli->raw_status);
+		return rcls != 0;
+	}
+
+	return NT_STATUS_IS_ERR(cli->raw_status);
+}
+
+bool cli_state_is_connected(struct cli_state *cli)
+{
+	if (cli == NULL) {
+		return false;
+	}
+
+	if (!cli->initialised) {
+		return false;
+	}
+
+	return smbXcli_conn_is_connected(cli->conn);
+}