1 files changed, 137 insertions, 0 deletions
diff --git a/src/vcore/SignatureFinder.cpp b/src/vcore/SignatureFinder.cpp
new file mode 100644
index 0000000..5010563
--- /dev/null
+++ b/src/vcore/SignatureFinder.cpp
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+/*
+ * @file        SignatureFinder.cpp
+ * @author      Bartlomiej Grzelewski (b.grzelewski@samsung.com)
+ * @version     1.0
+ * @brief       Search for author-signature.xml and signatureN.xml files.
+ */
+#include <vcore/SignatureFinder.h>
+#include <dpl/log/log.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <istream>
+#include <sstream>
+
+#include <pcrecpp.h>
+
+namespace {
+
+}
+
+namespace ValidationCore {
+static const char *SIGNATURE_AUTHOR = "author-signature.xml";
+static const char *REGEXP_DISTRIBUTOR_SIGNATURE =
+	"^(signature)([1-9][0-9]*)(\\.xml)";
+
+class SignatureFinder::Impl {
+public:
+	Impl(const std::string &dir)
+		: m_dir(dir)
+		, m_signatureRegexp(REGEXP_DISTRIBUTOR_SIGNATURE)
+	{}
+
+	virtual ~Impl() {}
+
+	Result find(SignatureFileInfoSet &set);
+
+private:
+	std::string getFullPath(const std::string &file);
+
+	std::string m_dir;
+	pcrecpp::RE m_signatureRegexp;
+};
+
+std::string SignatureFinder::Impl::getFullPath(const std::string &file)
+{
+	std::string fullPath = m_dir;
+
+	if (fullPath.back() != '/')
+		fullPath += "/";
+
+	fullPath += file;
+	return fullPath;
+}
+
+SignatureFinder::Result SignatureFinder::Impl::find(SignatureFileInfoSet &set)
+{
+	int ret;
+	DIR *dirp;
+	struct dirent entry;
+	struct dirent *result;
+
+	if ((dirp = opendir(m_dir.c_str())) == NULL) {
+		LogError("Error opening directory: " << m_dir);
+		return ERROR_OPENING_DIR;
+	}
+
+	for (ret = readdir_r(dirp, &entry, &result);
+			ret == 0 && result != NULL;
+			ret = readdir_r(dirp, &entry, &result)) {
+		/* number for author signature is -1 */
+		if (!strcmp(result->d_name, SIGNATURE_AUTHOR)) {
+			std::string fullPath = getFullPath(std::string(result->d_name));
+			LogDebug("Found author signature file full path : " << fullPath);
+			set.insert(SignatureFileInfo(fullPath, -1));
+			continue;
+		}
+
+		std::string sig;
+		std::string num;
+		std::string xml; /* just for cutting out .xml */
+
+		if (m_signatureRegexp.FullMatch(result->d_name, &sig, &num, &xml)) {
+			std::istringstream stream(num);
+			int number;
+			stream >> number;
+
+			if (stream.fail()) {
+				closedir(dirp);
+				return ERROR_ISTREAM;
+			}
+
+			std::string fullPath = getFullPath(std::string(result->d_name));
+			LogDebug("Found signature file full path : " << fullPath);
+			set.insert(SignatureFileInfo(fullPath, number));
+		}
+	}
+
+	if (ret != 0) {
+		LogError("Error in readdir");
+		closedir(dirp);
+		return ERROR_READING_DIR;
+	}
+
+	closedir(dirp);
+	return NO_ERROR;
+}
+
+SignatureFinder::SignatureFinder(const std::string &dir)
+	: m_impl(new Impl(dir))
+{}
+
+SignatureFinder::~SignatureFinder()
+{
+	delete m_impl;
+}
+
+SignatureFinder::Result SignatureFinder::find(SignatureFileInfoSet &set)
+{
+	return m_impl->find(set);
+}
+
+} // namespace ValidationCore