Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 1 | #include "file_io_type_cert.hpp" |
| 2 | |
Deepak Kodihalli | d130e1a | 2020-06-17 05:55:32 -0500 | [diff] [blame] | 3 | #include "common/utils.hpp" |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 4 | |
George Liu | c453e16 | 2022-12-21 17:16:23 +0800 | [diff] [blame] | 5 | #include <libpldm/base.h> |
Andrew Jeffery | 21f128d | 2024-01-15 15:34:26 +1030 | [diff] [blame] | 6 | #include <libpldm/oem/ibm/file_io.h> |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 7 | #include <stdint.h> |
| 8 | |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 9 | #include <phosphor-logging/lg2.hpp> |
| 10 | |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 11 | PHOSPHOR_LOG2_USING; |
| 12 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 13 | namespace pldm |
| 14 | { |
Brad Bishop | 5079ac4 | 2021-08-19 18:35:06 -0400 | [diff] [blame] | 15 | using namespace utils; |
| 16 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 17 | namespace responder |
| 18 | { |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 19 | constexpr auto certObjPath = "/xyz/openbmc_project/certs/ca/entry/"; |
| 20 | constexpr auto certEntryIntf = "xyz.openbmc_project.Certs.Entry"; |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 21 | static constexpr auto certFilePath = "/var/lib/ibm/bmcweb/"; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 22 | |
| 23 | CertMap CertHandler::certMap; |
| 24 | |
| 25 | int CertHandler::writeFromMemory(uint32_t offset, uint32_t length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 26 | uint64_t address, |
| 27 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 28 | { |
| 29 | auto it = certMap.find(certType); |
| 30 | if (it == certMap.end()) |
| 31 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 32 | error( |
| 33 | "CertHandler::writeFromMemory:file for type {CERT_TYPE} doesn't exist", |
| 34 | "CERT_TYPE", certType); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 35 | return PLDM_ERROR; |
| 36 | } |
| 37 | |
| 38 | auto fd = std::get<0>(it->second); |
| 39 | auto& remSize = std::get<1>(it->second); |
| 40 | auto rc = transferFileData(fd, false, offset, length, address); |
| 41 | if (rc == PLDM_SUCCESS) |
| 42 | { |
| 43 | remSize -= length; |
| 44 | if (!remSize) |
| 45 | { |
| 46 | close(fd); |
| 47 | certMap.erase(it); |
| 48 | } |
| 49 | } |
| 50 | return rc; |
| 51 | } |
| 52 | |
| 53 | int CertHandler::readIntoMemory(uint32_t offset, uint32_t& length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 54 | uint64_t address, |
| 55 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 56 | { |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 57 | std::string filePath = certFilePath; |
| 58 | filePath += "CSR_" + std::to_string(fileHandle); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 59 | if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 60 | { |
| 61 | return PLDM_ERROR_INVALID_DATA; |
| 62 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 63 | auto rc = transferFileData(filePath.c_str(), true, offset, length, address); |
| 64 | fs::remove(filePath); |
| 65 | if (rc) |
| 66 | { |
| 67 | return PLDM_ERROR; |
| 68 | } |
| 69 | return PLDM_SUCCESS; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 70 | } |
| 71 | |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 72 | int CertHandler::read(uint32_t offset, uint32_t& length, Response& response, |
| 73 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 74 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 75 | info( |
| 76 | "CertHandler::read:Read file response for Sign CSR, file handle: {FILE_HANDLE}", |
| 77 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 78 | std::string filePath = certFilePath; |
| 79 | filePath += "CSR_" + std::to_string(fileHandle); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 80 | if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 81 | { |
| 82 | return PLDM_ERROR_INVALID_DATA; |
| 83 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 84 | auto rc = readFile(filePath.c_str(), offset, length, response); |
| 85 | fs::remove(filePath); |
| 86 | if (rc) |
| 87 | { |
| 88 | return PLDM_ERROR; |
| 89 | } |
| 90 | return PLDM_SUCCESS; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 91 | } |
| 92 | |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 93 | int CertHandler::write(const char* buffer, uint32_t offset, uint32_t& length, |
| 94 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 95 | { |
| 96 | auto it = certMap.find(certType); |
| 97 | if (it == certMap.end()) |
| 98 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 99 | error("CertHandler::write:file for type {CERT_TYPE} doesn't exist", |
| 100 | "CERT_TYPE", certType); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 101 | return PLDM_ERROR; |
| 102 | } |
| 103 | |
| 104 | auto fd = std::get<0>(it->second); |
| 105 | int rc = lseek(fd, offset, SEEK_SET); |
| 106 | if (rc == -1) |
| 107 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 108 | error("CertHandler::write:lseek failed, ERROR={ERR}, OFFSET={OFFSET}", |
| 109 | "ERR", errno, "OFFSET", offset); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 110 | return PLDM_ERROR; |
| 111 | } |
| 112 | rc = ::write(fd, buffer, length); |
| 113 | if (rc == -1) |
| 114 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 115 | error( |
| 116 | "CertHandler::write:file write failed, ERROR={ERR}, LENGTH={LEN}, OFFSET={OFFSET}", |
| 117 | "ERR", errno, "LEN", length, "OFFSET", offset); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 118 | return PLDM_ERROR; |
| 119 | } |
| 120 | length = rc; |
| 121 | auto& remSize = std::get<1>(it->second); |
| 122 | remSize -= length; |
| 123 | if (!remSize) |
| 124 | { |
| 125 | close(fd); |
| 126 | certMap.erase(it); |
| 127 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 128 | |
| 129 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 130 | { |
| 131 | constexpr auto certObjPath = "/xyz/openbmc_project/certs/ca/entry/"; |
| 132 | constexpr auto certEntryIntf = "xyz.openbmc_project.Certs.Entry"; |
| 133 | |
| 134 | std::string filePath = certFilePath; |
| 135 | filePath += "ClientCert_" + std::to_string(fileHandle); |
| 136 | |
| 137 | std::ifstream inFile; |
| 138 | inFile.open(filePath); |
| 139 | std::stringstream strStream; |
| 140 | strStream << inFile.rdbuf(); |
| 141 | std::string str = strStream.str(); |
| 142 | inFile.close(); |
| 143 | |
| 144 | if (!str.empty()) |
| 145 | { |
| 146 | PropertyValue value{str}; |
| 147 | |
| 148 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 149 | certEntryIntf, "ClientCertificate", |
| 150 | "string"}; |
| 151 | try |
| 152 | { |
| 153 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 154 | } |
| 155 | catch (const std::exception& e) |
| 156 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 157 | error( |
| 158 | "CertHandler::write:failed to set Client certificate, ERROR={ERR_EXCEP}", |
| 159 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 160 | return PLDM_ERROR; |
| 161 | } |
| 162 | PropertyValue valueStatus{ |
| 163 | "xyz.openbmc_project.Certs.Entry.State.Complete"}; |
| 164 | DBusMapping dbusMappingStatus{certObjPath + |
| 165 | std::to_string(fileHandle), |
| 166 | certEntryIntf, "Status", "string"}; |
| 167 | try |
| 168 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 169 | info( |
| 170 | "CertHandler::write:Client cert write, status: complete. File handle: {FILE_HANDLE}", |
| 171 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 172 | pldm::utils::DBusHandler().setDbusProperty(dbusMappingStatus, |
| 173 | valueStatus); |
| 174 | } |
| 175 | catch (const std::exception& e) |
| 176 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 177 | error( |
| 178 | "CertHandler::write:failed to set status property of certicate entry, ERROR={ERR_EXCEP}", |
| 179 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 180 | return PLDM_ERROR; |
| 181 | } |
| 182 | fs::remove(filePath); |
| 183 | } |
| 184 | else |
| 185 | { |
| 186 | PropertyValue value{"xyz.openbmc_project.Certs.Entry.State.BadCSR"}; |
| 187 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 188 | certEntryIntf, "Status", "string"}; |
| 189 | try |
| 190 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 191 | info( |
| 192 | "CertHandler::write:Client cert write, status: Bad CSR. File handle: {FILE_HANDLE}", |
| 193 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 194 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 195 | } |
| 196 | catch (const std::exception& e) |
| 197 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 198 | error( |
| 199 | "CertHandler::write:failed to set status property of certicate entry, {ERR_EXCEP}", |
| 200 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 201 | return PLDM_ERROR; |
| 202 | } |
| 203 | } |
| 204 | } |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 205 | return PLDM_SUCCESS; |
| 206 | } |
| 207 | |
| 208 | int CertHandler::newFileAvailable(uint64_t length) |
| 209 | { |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 210 | fs::create_directories(certFilePath); |
| 211 | fs::permissions(certFilePath, |
| 212 | fs::perms::others_read | fs::perms::owner_write); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 213 | int fileFd = -1; |
| 214 | int flags = O_WRONLY | O_CREAT | O_TRUNC; |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 215 | std::string filePath = certFilePath; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 216 | |
| 217 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 218 | { |
| 219 | return PLDM_ERROR_INVALID_DATA; |
| 220 | } |
| 221 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 222 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 223 | info( |
| 224 | "CertHandler::newFileAvailable:new file available client cert file, file handle: {FILE_HANDLE}", |
| 225 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 226 | fileFd = open( |
| 227 | (filePath + "ClientCert_" + std::to_string(fileHandle)).c_str(), |
| 228 | flags, S_IRUSR | S_IWUSR); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 229 | } |
| 230 | else if (certType == PLDM_FILE_TYPE_ROOT_CERT) |
| 231 | { |
Patrick Williams | 6da4f91 | 2023-05-10 07:50:53 -0500 | [diff] [blame] | 232 | fileFd = open((filePath + "RootCert").c_str(), flags, |
| 233 | S_IRUSR | S_IWUSR); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 234 | } |
| 235 | if (fileFd == -1) |
| 236 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 237 | error( |
| 238 | "CertHandler::newFileAvailable:failed to open file for type {CERT_TYPE} ERROR={ERR}", |
| 239 | "CERT_TYPE", certType, "ERR", errno); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 240 | return PLDM_ERROR; |
| 241 | } |
| 242 | certMap.emplace(certType, std::tuple(fileFd, length)); |
| 243 | return PLDM_SUCCESS; |
| 244 | } |
| 245 | |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 246 | int CertHandler::newFileAvailableWithMetaData(uint64_t length, |
| 247 | uint32_t metaDataValue1, |
| 248 | uint32_t /*metaDataValue2*/, |
| 249 | uint32_t /*metaDataValue3*/, |
| 250 | uint32_t /*metaDataValue4*/) |
| 251 | { |
| 252 | fs::create_directories(certFilePath); |
| 253 | fs::permissions(certFilePath, |
| 254 | fs::perms::others_read | fs::perms::owner_write); |
| 255 | int fileFd = -1; |
| 256 | int flags = O_WRONLY | O_CREAT | O_TRUNC; |
| 257 | std::string filePath = certFilePath; |
| 258 | |
| 259 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 260 | { |
| 261 | return PLDM_ERROR_INVALID_DATA; |
| 262 | } |
| 263 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 264 | { |
| 265 | if (metaDataValue1 == PLDM_SUCCESS) |
| 266 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 267 | error( |
| 268 | "CertHandler::newFileAvailableWithMetaData:new file available client cert file, file handle: {FILE_HANDLE}", |
| 269 | "FILE_HANDLE", fileHandle); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 270 | fileFd = open( |
| 271 | (filePath + "ClientCert_" + std::to_string(fileHandle)).c_str(), |
| 272 | flags, S_IRUSR | S_IWUSR); |
| 273 | } |
| 274 | else if (metaDataValue1 == PLDM_INVALID_CERT_DATA) |
| 275 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 276 | error( |
| 277 | "newFileAvailableWithMetaData:client cert file Invalid data, file handle: {FILE_HANDLE}", |
| 278 | "FILE_HANDLE", fileHandle); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 279 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 280 | certEntryIntf, "Status", "string"}; |
| 281 | std::string status = "xyz.openbmc_project.Certs.Entry.State.BadCSR"; |
| 282 | PropertyValue value{status}; |
| 283 | try |
| 284 | { |
| 285 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 286 | } |
| 287 | catch (const std::exception& e) |
| 288 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 289 | error( |
| 290 | "newFileAvailableWithMetaData:Failed to set status property of certicate entry, ERROR= {ERR_EXCEP}", |
| 291 | "ERR_EXCEP", e.what()); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 292 | return PLDM_ERROR; |
| 293 | } |
| 294 | } |
| 295 | } |
| 296 | else if (certType == PLDM_FILE_TYPE_ROOT_CERT) |
| 297 | { |
Patrick Williams | 6da4f91 | 2023-05-10 07:50:53 -0500 | [diff] [blame] | 298 | fileFd = open((filePath + "RootCert").c_str(), flags, |
| 299 | S_IRUSR | S_IWUSR); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 300 | } |
| 301 | if (fileFd == -1) |
| 302 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 303 | error( |
| 304 | "newFileAvailableWithMetaData:failed to open file for type {CERT_TYPE} ERROR={ERR}", |
| 305 | "CERT_TYPE", certType, "ERR", errno); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 306 | return PLDM_ERROR; |
| 307 | } |
| 308 | certMap.emplace(certType, std::tuple(fileFd, length)); |
| 309 | return PLDM_SUCCESS; |
| 310 | } |
| 311 | |
| 312 | int CertHandler::fileAckWithMetaData(uint8_t fileStatus, |
| 313 | uint32_t /*metaDataValue1*/, |
| 314 | uint32_t /*metaDataValue2*/, |
| 315 | uint32_t /*metaDataValue3*/, |
| 316 | uint32_t /*metaDataValue4*/) |
| 317 | { |
| 318 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 319 | { |
| 320 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 321 | certEntryIntf, "Status", "string"}; |
| 322 | PropertyValue value = "xyz.openbmc_project.Certs.Entry.State.Pending"; |
| 323 | if (fileStatus == PLDM_ERROR_INVALID_DATA) |
| 324 | { |
| 325 | value = "xyz.openbmc_project.Certs.Entry.State.BadCSR"; |
| 326 | } |
| 327 | else if (fileStatus == PLDM_ERROR_NOT_READY) |
| 328 | { |
| 329 | value = "xyz.openbmc_project.Certs.Entry.State.Pending"; |
| 330 | } |
| 331 | try |
| 332 | { |
| 333 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 334 | } |
| 335 | catch (const std::exception& e) |
| 336 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 337 | error( |
| 338 | "CertHandler::fileAckWithMetaData:Failed to set status property of certicate entry, ERROR={ERR_EXCEP}", |
| 339 | "ERR_EXCEP", e.what()); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 340 | return PLDM_ERROR; |
| 341 | } |
| 342 | } |
| 343 | return PLDM_SUCCESS; |
| 344 | } |
| 345 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 346 | } // namespace responder |
| 347 | } // namespace pldm |