| #include "file_io_type_cert.hpp" |
| |
| #include "libpldm/base.h" |
| #include "oem/ibm/libpldm/file_io.h" |
| |
| #include "common/utils.hpp" |
| |
| #include <stdint.h> |
| |
| #include <iostream> |
| |
| namespace pldm |
| { |
| namespace responder |
| { |
| |
| static constexpr auto csrFilePath = "/var/lib/bmcweb/CSR"; |
| static constexpr auto rootCertPath = "/var/lib/bmcweb/RootCert"; |
| static constexpr auto clientCertPath = "/var/lib/bmcweb/ClientCert"; |
| |
| CertMap CertHandler::certMap; |
| |
| int CertHandler::writeFromMemory(uint32_t offset, uint32_t length, |
| uint64_t address) |
| { |
| auto it = certMap.find(certType); |
| if (it == certMap.end()) |
| { |
| std::cerr << "file for type " << certType << " doesn't exist\n"; |
| return PLDM_ERROR; |
| } |
| |
| auto fd = std::get<0>(it->second); |
| auto& remSize = std::get<1>(it->second); |
| auto rc = transferFileData(fd, false, offset, length, address); |
| if (rc == PLDM_SUCCESS) |
| { |
| remSize -= length; |
| if (!remSize) |
| { |
| close(fd); |
| certMap.erase(it); |
| } |
| } |
| return rc; |
| } |
| |
| int CertHandler::readIntoMemory(uint32_t offset, uint32_t& length, |
| uint64_t address) |
| { |
| if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| { |
| return PLDM_ERROR_INVALID_DATA; |
| } |
| return transferFileData(csrFilePath, true, offset, length, address); |
| } |
| |
| int CertHandler::read(uint32_t offset, uint32_t& length, Response& response) |
| { |
| if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| { |
| return PLDM_ERROR_INVALID_DATA; |
| } |
| return readFile(csrFilePath, offset, length, response); |
| } |
| |
| int CertHandler::write(const char* buffer, uint32_t offset, uint32_t& length) |
| { |
| auto it = certMap.find(certType); |
| if (it == certMap.end()) |
| { |
| std::cerr << "file for type " << certType << " doesn't exist\n"; |
| return PLDM_ERROR; |
| } |
| |
| auto fd = std::get<0>(it->second); |
| int rc = lseek(fd, offset, SEEK_SET); |
| if (rc == -1) |
| { |
| std::cerr << "lseek failed, ERROR=" << errno << ", OFFSET=" << offset |
| << "\n"; |
| return PLDM_ERROR; |
| } |
| rc = ::write(fd, buffer, length); |
| if (rc == -1) |
| { |
| std::cerr << "file write failed, ERROR=" << errno |
| << ", LENGTH=" << length << ", OFFSET=" << offset << "\n"; |
| return PLDM_ERROR; |
| } |
| length = rc; |
| auto& remSize = std::get<1>(it->second); |
| remSize -= length; |
| if (!remSize) |
| { |
| close(fd); |
| certMap.erase(it); |
| } |
| return PLDM_SUCCESS; |
| } |
| |
| int CertHandler::newFileAvailable(uint64_t length) |
| { |
| static constexpr auto vmiCertPath = "/var/lib/bmcweb"; |
| fs::create_directories(vmiCertPath); |
| int fileFd = -1; |
| int flags = O_WRONLY | O_CREAT | O_TRUNC; |
| |
| if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| { |
| return PLDM_ERROR_INVALID_DATA; |
| } |
| if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| { |
| fileFd = open(clientCertPath, flags); |
| } |
| else if (certType == PLDM_FILE_TYPE_ROOT_CERT) |
| { |
| fileFd = open(rootCertPath, flags); |
| } |
| if (fileFd == -1) |
| { |
| std::cerr << "failed to open file for type " << certType |
| << " ERROR=" << errno << "\n"; |
| return PLDM_ERROR; |
| } |
| certMap.emplace(certType, std::tuple(fileFd, length)); |
| return PLDM_SUCCESS; |
| } |
| |
| } // namespace responder |
| } // namespace pldm |