blob: 0efedf36581c47196bc8a647b034c1c66338e8bf [file] [log] [blame]
#include "config.h"
#include "msl_verify.hpp"
#include <phosphor-logging/log.hpp>
#include <filesystem>
#include <fstream>
#include <regex>
namespace openpower
{
namespace software
{
namespace image
{
using namespace phosphor::logging;
using AssociationList =
std::vector<std::tuple<std::string, std::string, std::string>>;
int MinimumShipLevel::compare(const Version& a, const Version& b)
{
if (a.major < b.major)
{
return -1;
}
else if (a.major > b.major)
{
return 1;
}
if (a.minor < b.minor)
{
return -1;
}
else if (a.minor > b.minor)
{
return 1;
}
if (a.rev < b.rev)
{
return -1;
}
else if (a.rev > b.rev)
{
return 1;
}
return 0;
}
void MinimumShipLevel::parse(const std::string& versionStr, Version& version)
{
std::smatch match;
version = {0, 0, 0};
// Match for vX.Y.Z or v-X.Y.Z
std::regex regex{"v-?([0-9]+)\\.([0-9]+)\\.([0-9]+)", std::regex::extended};
if (!std::regex_search(versionStr, match, regex))
{
// Match for vX.Y or v-X.Y
std::regex regexShort{"v-?([0-9]+)\\.([0-9]+)", std::regex::extended};
if (!std::regex_search(versionStr, match, regexShort))
{
log<level::ERR>("Unable to parse PNOR version",
entry("VERSION=%s", versionStr.c_str()));
return;
}
}
else
{
// Populate Z
version.rev = std::stoi(match[3]);
}
version.major = std::stoi(match[1]);
version.minor = std::stoi(match[2]);
}
std::string MinimumShipLevel::getFunctionalVersion()
{
auto bus = sdbusplus::bus::new_default();
auto method = bus.new_method_call(BUSNAME_UPDATER, SOFTWARE_OBJPATH,
SYSTEMD_PROPERTY_INTERFACE, "Get");
method.append(ASSOCIATIONS_INTERFACE, "Associations");
auto response = bus.call(method);
std::variant<AssociationList> associations;
try
{
response.read(associations);
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ERR>("Failed to read software associations",
entry("ERROR=%s", e.what()),
entry("SIGNATURE=%s", response.get_signature()));
return {};
}
auto& assocs = std::get<AssociationList>(associations);
if (assocs.empty())
{
return {};
}
for (const auto& assoc : assocs)
{
if (std::get<0>(assoc).compare(FUNCTIONAL_FWD_ASSOCIATION) == 0)
{
auto path = std::get<2>(assoc);
method = bus.new_method_call(BUSNAME_UPDATER, path.c_str(),
SYSTEMD_PROPERTY_INTERFACE, "Get");
method.append(VERSION_IFACE, "Version");
response = bus.call(method);
std::variant<std::string> functionalVersion;
try
{
response.read(functionalVersion);
return std::get<std::string>(functionalVersion);
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ERR>(
"Failed to read version property",
entry("ERROR=%s", e.what()),
entry("SIGNATURE=%s", response.get_signature()));
return {};
}
}
}
return {};
}
bool MinimumShipLevel::verify()
{
if (minShipLevel.empty())
{
return true;
}
auto actual = getFunctionalVersion();
if (actual.empty())
{
return true;
}
// Multiple min versions separated by a space can be specified, parse them
// into a vector, then sort them in ascending order
std::istringstream minStream(minShipLevel);
std::vector<std::string> mins(std::istream_iterator<std::string>{minStream},
std::istream_iterator<std::string>());
std::sort(mins.begin(), mins.end());
// In order to handle non-continuous multiple min versions, need to compare
// the major.minor section first, then if they're the same, compare the rev.
// Ex: the min versions specified are 2.0.10 and 2.2. We need to pass if
// actual is 2.0.11 but fail if it's 2.1.x.
// 1. Save off the rev number to compare later if needed.
// 2. Zero out the rev number to just compare major and minor.
Version actualVersion = {0, 0, 0};
parse(actual, actualVersion);
Version actualRev = {0, 0, actualVersion.rev};
actualVersion.rev = 0;
auto rc = 0;
std::string tmpMin{};
for (auto const& min : mins)
{
tmpMin = min;
Version minVersion = {0, 0, 0};
parse(min, minVersion);
Version minRev = {0, 0, minVersion.rev};
minVersion.rev = 0;
rc = compare(actualVersion, minVersion);
if (rc < 0)
{
break;
}
else if (rc == 0)
{
// Same major.minor version, compare the rev
rc = compare(actualRev, minRev);
break;
}
}
if (rc < 0)
{
log<level::ERR>(
"PNOR Mininum Ship Level NOT met",
entry("MIN_VERSION=%s", tmpMin.c_str()),
entry("ACTUAL_VERSION=%s", actual.c_str()),
entry("VERSION_PURPOSE=%s",
"xyz.openbmc_project.Software.Version.VersionPurpose.Host"));
return false;
}
return true;
}
} // namespace image
} // namespace software
} // namespace openpower