blob: 133e5a4634e0c3b17215386ff766e5a4f9b27b7d [file] [log] [blame]
#include <iostream>
#include <string>
#include <sstream>
#include <fstream>
#include <stdexcept>
#include <phosphor-logging/log.hpp>
#include "config.h"
#include "version.hpp"
#include <openssl/sha.h>
namespace phosphor
{
namespace software
{
namespace manager
{
using namespace phosphor::logging;
std::string Version::getValue(const std::string& manifestFilePath,
std::string key)
{
key = key + "=";
auto keySize = key.length();
if (manifestFilePath.empty())
{
log<level::ERR>("Error MANIFESTFilePath is empty");
throw std::runtime_error("MANIFESTFilePath is empty");
}
std::string value{};
std::ifstream efile;
std::string line;
efile.exceptions(std::ifstream::failbit
| std::ifstream::badbit
| std::ifstream::eofbit);
// Too many GCC bugs (53984, 66145) to do this the right way...
try
{
efile.open(manifestFilePath);
while (getline(efile, line))
{
if (line.compare(0, keySize, key) == 0)
{
value = line.substr(keySize);
break;
}
}
efile.close();
}
catch (const std::exception& e)
{
log<level::ERR>("Error in reading MANIFEST file");
}
return value;
}
std::string Version::getId(const std::string& version)
{
if (version.empty())
{
log<level::ERR>("Error version is empty");
throw std::runtime_error("Version is empty");
}
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::string Version::getBMCVersion(const std::string& releaseFilePath)
{
std::string versionKey = "VERSION_ID=";
std::string version{};
std::ifstream efile;
std::string line;
efile.open(releaseFilePath);
while (getline(efile, line))
{
if (line.substr(0, versionKey.size()).find(versionKey) !=
std::string::npos)
{
std::size_t pos = line.find_first_of('"') + 1;
version = line.substr(pos, line.find_last_of('"') - pos);
break;
}
}
efile.close();
if (version.empty())
{
log<level::ERR>("Error BMC current version is empty");
throw std::runtime_error("BMC current version is empty");
}
return version;
}
bool Version::isFunctional()
{
return versionStr == getBMCVersion(OS_RELEASE_FILE);
}
} // namespace manager
} // namespace software
} // namepsace phosphor