blob: 5dbab3508d140e8260395c5338a3445733347877 [file] [log] [blame]
#include <iostream>
#include <string>
#include <sstream>
#include <fstream>
#include <stdexcept>
#include <phosphor-logging/log.hpp>
#include "version.hpp"
#include <phosphor-logging/elog-errors.hpp>
#include "xyz/openbmc_project/Common/error.hpp"
#include "item_updater.hpp"
#include <openssl/sha.h>
namespace openpower
{
namespace software
{
namespace updater
{
using namespace sdbusplus::xyz::openbmc_project::Common::Error;
using namespace phosphor::logging;
using Argument = xyz::openbmc_project::Common::InvalidArgument;
std::string Version::getId(const std::string& version)
{
if (version.empty())
{
log<level::ERR>("Error version is empty");
elog<InvalidArgument>(Argument::ARGUMENT_NAME("Version"),
Argument::ARGUMENT_VALUE(version.c_str()));
}
unsigned char digest[SHA512_DIGEST_LENGTH];
SHA512_CTX ctx;
SHA512_Init(&ctx);
SHA512_Update(&ctx, version.c_str(), strlen(version.c_str()));
SHA512_Final(digest, &ctx);
char mdString[SHA512_DIGEST_LENGTH*2+1];
for (int i = 0; i < SHA512_DIGEST_LENGTH; i++)
{
snprintf(&mdString[i*2], 3, "%02x", (unsigned int)digest[i]);
}
// Only need 8 hex digits.
std::string hexId = std::string(mdString);
return (hexId.substr(0, 8));
}
std::map<std::string, std::string> Version::getValue(
const std::string& filePath, std::map<std::string, std::string> keys)
{
if (filePath.empty())
{
log<level::ERR>("Error filePath is empty");
elog<InvalidArgument>(Argument::ARGUMENT_NAME("FilePath"),
Argument::ARGUMENT_VALUE(filePath.c_str()));
}
std::ifstream efile;
std::string line;
efile.exceptions(std::ifstream::failbit |
std::ifstream::badbit |
std::ifstream::eofbit);
try
{
efile.open(filePath);
while (getline(efile, line))
{
for(auto& key : keys)
{
auto value = key.first + "=";
auto keySize = value.length();
if (line.compare(0, keySize, value) == 0)
{
key.second = line.substr(keySize);
break;
}
}
}
efile.close();
}
catch (const std::exception& e)
{
if (!efile.eof())
{
log<level::ERR>("Error in reading file");
}
efile.close();
}
return keys;
}
} // namespace updater
} // namespace software
} // namespace openpower