blob: 8bae16c63c413b9206ae9a5116fe2941631420af [file] [log] [blame]
#include "config.h"
#include "image_manager.hpp"
#include "version.hpp"
#include "watch.hpp"
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <algorithm>
#include <cstring>
#include <elog-errors.hpp>
#include <experimental/filesystem>
#include <phosphor-logging/elog.hpp>
#include <phosphor-logging/log.hpp>
#include <string>
#include <xyz/openbmc_project/Software/Version/error.hpp>
namespace phosphor
{
namespace software
{
namespace manager
{
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Software::Version::Error;
namespace Software = phosphor::logging::xyz::openbmc_project::Software;
using ManifestFail = Software::Version::ManifestFileFailure;
using UnTarFail = Software::Version::UnTarFailure;
using InternalFail = Software::Version::InternalFailure;
namespace fs = std::experimental::filesystem;
struct RemovablePath
{
fs::path path;
RemovablePath(const fs::path& path) : path(path)
{
}
~RemovablePath()
{
if (fs::exists(path))
{
fs::remove_all(path);
}
else
{
// Path should exist
log<level::ERR>("Error removable path does not exist",
entry("PATH=%s", path.c_str()));
}
}
};
int Manager::processImage(const std::string& tarFilePath)
{
if (!fs::is_regular_file(tarFilePath))
{
log<level::ERR>("Error tarball does not exist",
entry("FILENAME=%s", tarFilePath.c_str()));
report<ManifestFileFailure>(ManifestFail::PATH(tarFilePath.c_str()));
return -1;
}
RemovablePath tarPathRemove(tarFilePath);
fs::path tmpDirPath(std::string{IMG_UPLOAD_DIR});
tmpDirPath /= "imageXXXXXX";
// Need tmp dir to write MANIFEST file to.
if (!mkdtemp(const_cast<char*>(tmpDirPath.c_str())))
{
log<level::ERR>("Error occurred during mkdtemp",
entry("ERRNO=%d", errno));
report<InternalFailure>(InternalFail::FAIL("mkdtemp"));
return -1;
}
RemovablePath tmpDirRemove(tmpDirPath);
fs::path manifestPath = tmpDirPath;
manifestPath /= MANIFEST_FILE_NAME;
int status = 0;
pid_t pid = fork();
// Get the MANIFEST FILE
if (pid == 0)
{
// child process
execl("/bin/tar", "tar", "-xf", tarFilePath.c_str(), MANIFEST_FILE_NAME,
"-C", tmpDirPath.c_str(), (char*)0);
// execl only returns on fail
log<level::ERR>("Failed to execute extract manifest",
entry("FILENAME=%s", tarFilePath.c_str()));
report<ManifestFileFailure>(ManifestFail::PATH(tarFilePath.c_str()));
return -1;
}
else if (pid > 0)
{
waitpid(pid, &status, 0);
if (WEXITSTATUS(status))
{
log<level::ERR>("Failed to extract manifest",
entry("FILENAME=%s", tarFilePath.c_str()));
report<UnTarFailure>(UnTarFail::PATH(tarFilePath.c_str()));
return -1;
}
}
else
{
log<level::ERR>("fork() failed.");
report<InternalFailure>(InternalFail::FAIL("fork"));
return -1;
}
// Verify the manifest file
if (!fs::is_regular_file(manifestPath))
{
log<level::ERR>("Error No manifest file",
entry("FILENAME=%s", tarFilePath.c_str()));
report<ManifestFileFailure>(ManifestFail::PATH(tarFilePath.c_str()));
return -1;
}
// Get version
auto version = Version::getValue(manifestPath.string(), "version");
if (version.empty())
{
log<level::ERR>("Error unable to read version from manifest file");
report<ManifestFileFailure>(ManifestFail::PATH(tarFilePath.c_str()));
return -1;
}
// Get purpose
auto purposeString = Version::getValue(manifestPath.string(), "purpose");
if (purposeString.empty())
{
log<level::ERR>("Error unable to read purpose from manifest file");
report<ManifestFileFailure>(ManifestFail::PATH(tarFilePath.c_str()));
return -1;
}
auto purpose = Version::VersionPurpose::Unknown;
try
{
purpose = Version::convertVersionPurposeFromString(purposeString);
}
catch (const sdbusplus::exception::InvalidEnumString& e)
{
log<level::ERR>("Error: Failed to convert manifest purpose to enum."
" Setting to Unknown.");
}
// Compute id
auto id = Version::getId(version);
fs::path imageDirPath = std::string{IMG_UPLOAD_DIR};
imageDirPath /= id;
if (fs::exists(imageDirPath))
{
fs::remove_all(imageDirPath);
}
if (mkdir(imageDirPath.c_str(), S_IRWXU) != 0)
{
log<level::ERR>("Error occurred during mkdir",
entry("ERRNO=%d", errno));
report<InternalFailure>(InternalFail::FAIL("mkdir"));
return -1;
}
// Untar tarball
auto rc = unTar(tarFilePath, imageDirPath.string());
if (rc < 0)
{
log<level::ERR>("Error occurred during untar");
return -1;
}
// Create Version object
auto objPath = std::string{SOFTWARE_OBJPATH} + '/' + id;
if (versions.find(id) == versions.end())
{
auto versionPtr = std::make_unique<Version>(
bus, objPath, version, purpose, imageDirPath.string(),
std::bind(&Manager::erase, this, std::placeholders::_1));
versionPtr->deleteObject =
std::make_unique<phosphor::software::manager::Delete>(bus, objPath,
*versionPtr);
versions.insert(std::make_pair(id, std::move(versionPtr)));
}
else
{
log<level::INFO>("Software Object with the same version already exists",
entry("VERSION_ID=%s", id.c_str()));
}
return 0;
}
void Manager::erase(std::string entryId)
{
auto it = versions.find(entryId);
if (it == versions.end())
{
return;
}
if (it->second->isFunctional())
{
log<level::ERR>(("Error: Version " + entryId +
" is currently running on the BMC."
" Unable to remove.")
.c_str());
return;
}
// Delete image dir
fs::path imageDirPath = (*(it->second)).path();
if (fs::exists(imageDirPath))
{
fs::remove_all(imageDirPath);
}
this->versions.erase(entryId);
}
int Manager::unTar(const std::string& tarFilePath,
const std::string& extractDirPath)
{
if (tarFilePath.empty())
{
log<level::ERR>("Error TarFilePath is empty");
report<UnTarFailure>(UnTarFail::PATH(tarFilePath.c_str()));
return -1;
}
if (extractDirPath.empty())
{
log<level::ERR>("Error ExtractDirPath is empty");
report<UnTarFailure>(UnTarFail::PATH(extractDirPath.c_str()));
return -1;
}
log<level::INFO>("Untaring", entry("FILENAME=%s", tarFilePath.c_str()),
entry("EXTRACTIONDIR=%s", extractDirPath.c_str()));
int status = 0;
pid_t pid = fork();
if (pid == 0)
{
// child process
execl("/bin/tar", "tar", "-xf", tarFilePath.c_str(), "-C",
extractDirPath.c_str(), (char*)0);
// execl only returns on fail
log<level::ERR>("Failed to execute untar file",
entry("FILENAME=%s", tarFilePath.c_str()));
report<UnTarFailure>(UnTarFail::PATH(tarFilePath.c_str()));
return -1;
}
else if (pid > 0)
{
waitpid(pid, &status, 0);
if (WEXITSTATUS(status))
{
log<level::ERR>("Failed to untar file",
entry("FILENAME=%s", tarFilePath.c_str()));
report<UnTarFailure>(UnTarFail::PATH(tarFilePath.c_str()));
return -1;
}
}
else
{
log<level::ERR>("fork() failed.");
report<UnTarFailure>(UnTarFail::PATH(tarFilePath.c_str()));
return -1;
}
return 0;
}
} // namespace manager
} // namespace software
} // namespace phosphor