From 040eee1aa49b49df4698d83a05af57c220127fd1 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 13:36:04 +0200
Subject: Adding upstream version 2.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/lib/dhcpsrv/testutils/config_result_check.cc | 89 ++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/lib/dhcpsrv/testutils/config_result_check.cc

(limited to 'src/lib/dhcpsrv/testutils/config_result_check.cc')

diff --git a/src/lib/dhcpsrv/testutils/config_result_check.cc b/src/lib/dhcpsrv/testutils/config_result_check.cc
new file mode 100644
index 0000000..35b31fe
--- /dev/null
+++ b/src/lib/dhcpsrv/testutils/config_result_check.cc
@@ -0,0 +1,89 @@
+// Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <cc/command_interpreter.h>
+#include <dhcpsrv/testutils/config_result_check.h>
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/constants.hpp>
+#include <boost/algorithm/string/split.hpp>
+#include <string>
+
+namespace isc {
+namespace dhcp {
+namespace test {
+
+using namespace isc;
+using namespace isc::data;
+
+bool errorContainsPosition(ConstElementPtr error_element,
+                           const std::string& file_name) {
+    if (error_element->contains(isc::config::CONTROL_RESULT)) {
+        ConstElementPtr result = error_element->get(isc::config::CONTROL_RESULT);
+        ConstElementPtr text = error_element->get(isc::config::CONTROL_TEXT);
+        if (!result || (result->getType() != Element::integer) || !text
+            || (text->getType() != Element::string)) {
+            return (false);
+        }
+
+        // Get the error message in the textual format.
+        std::string error_string = text->stringValue();
+
+        // The position of the data element causing an error has the following
+        // format: <filename>:<linenum>:<pos>. The <filename> has been specified
+        // by a caller, so let's first check if this file name is present in the
+        // error message.
+        size_t pos = error_string.find(file_name);
+
+        // If the file name is present, check that it is followed by the line
+        // number and position within the line.
+        if (pos != std::string::npos) {
+            // Split the string starting at the beginning of the <filename>. It
+            // should return a vector of strings.
+            std::string sub = error_string.substr(pos);
+            std::vector<std::string> split_pos;
+            boost::split(split_pos, sub, boost::is_any_of(":"),
+                         boost::algorithm::token_compress_off);
+
+            // There should be at least three elements: <filename>, <linenum>
+            // and <pos>. There can be even more, because one error string may
+            // contain more positions of data elements for multiple
+            // configuration nesting levels. We want at least one position.
+            if ((split_pos.size() >= 3) && (split_pos[0] == file_name) &&
+                (!split_pos[1].empty()) && !(split_pos[2].empty())) {
+
+                // Make sure that the line number comprises only digits.
+                for (int i = 0; i < split_pos[1].size(); ++i) {
+                    if (!isdigit(split_pos[1][i])) {
+                        return (false);
+                    }
+                }
+
+                // Go over digits of the position within the line.
+                int i = 0;
+                while (isdigit(split_pos[2][i])) {
+                    ++i;
+                }
+
+                // Make sure that there has been at least one digit and that the
+                // position is followed by the paren.
+                if ((i == 0) || (split_pos[2][i] != ')')) {
+                    return (false);
+                }
+
+                // All checks passed.
+                return (true);
+            }
+        }
+    }
+
+    return (false);
+}
+
+}
+}
+}
-- 
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