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> |
| 6 | #include <libpldm/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 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 11 | #include <iostream> |
| 12 | |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 13 | PHOSPHOR_LOG2_USING; |
| 14 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 15 | namespace pldm |
| 16 | { |
Brad Bishop | 5079ac4 | 2021-08-19 18:35:06 -0400 | [diff] [blame] | 17 | using namespace utils; |
| 18 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 19 | namespace responder |
| 20 | { |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 21 | constexpr auto certObjPath = "/xyz/openbmc_project/certs/ca/entry/"; |
| 22 | constexpr auto certEntryIntf = "xyz.openbmc_project.Certs.Entry"; |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 23 | static constexpr auto certFilePath = "/var/lib/ibm/bmcweb/"; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 24 | |
| 25 | CertMap CertHandler::certMap; |
| 26 | |
| 27 | int CertHandler::writeFromMemory(uint32_t offset, uint32_t length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 28 | uint64_t address, |
| 29 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 30 | { |
| 31 | auto it = certMap.find(certType); |
| 32 | if (it == certMap.end()) |
| 33 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 34 | error( |
| 35 | "CertHandler::writeFromMemory:file for type {CERT_TYPE} doesn't exist", |
| 36 | "CERT_TYPE", certType); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 37 | return PLDM_ERROR; |
| 38 | } |
| 39 | |
| 40 | auto fd = std::get<0>(it->second); |
| 41 | auto& remSize = std::get<1>(it->second); |
| 42 | auto rc = transferFileData(fd, false, offset, length, address); |
| 43 | if (rc == PLDM_SUCCESS) |
| 44 | { |
| 45 | remSize -= length; |
| 46 | if (!remSize) |
| 47 | { |
| 48 | close(fd); |
| 49 | certMap.erase(it); |
| 50 | } |
| 51 | } |
| 52 | return rc; |
| 53 | } |
| 54 | |
| 55 | int CertHandler::readIntoMemory(uint32_t offset, uint32_t& length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 56 | uint64_t address, |
| 57 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 58 | { |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 59 | std::string filePath = certFilePath; |
| 60 | filePath += "CSR_" + std::to_string(fileHandle); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 61 | if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 62 | { |
| 63 | return PLDM_ERROR_INVALID_DATA; |
| 64 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 65 | auto rc = transferFileData(filePath.c_str(), true, offset, length, address); |
| 66 | fs::remove(filePath); |
| 67 | if (rc) |
| 68 | { |
| 69 | return PLDM_ERROR; |
| 70 | } |
| 71 | return PLDM_SUCCESS; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 72 | } |
| 73 | |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 74 | int CertHandler::read(uint32_t offset, uint32_t& length, Response& response, |
| 75 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 76 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 77 | info( |
| 78 | "CertHandler::read:Read file response for Sign CSR, file handle: {FILE_HANDLE}", |
| 79 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 80 | std::string filePath = certFilePath; |
| 81 | filePath += "CSR_" + std::to_string(fileHandle); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 82 | if (certType != PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 83 | { |
| 84 | return PLDM_ERROR_INVALID_DATA; |
| 85 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 86 | auto rc = readFile(filePath.c_str(), offset, length, response); |
| 87 | fs::remove(filePath); |
| 88 | if (rc) |
| 89 | { |
| 90 | return PLDM_ERROR; |
| 91 | } |
| 92 | return PLDM_SUCCESS; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 93 | } |
| 94 | |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 95 | int CertHandler::write(const char* buffer, uint32_t offset, uint32_t& length, |
| 96 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 97 | { |
| 98 | auto it = certMap.find(certType); |
| 99 | if (it == certMap.end()) |
| 100 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 101 | error("CertHandler::write:file for type {CERT_TYPE} doesn't exist", |
| 102 | "CERT_TYPE", certType); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 103 | return PLDM_ERROR; |
| 104 | } |
| 105 | |
| 106 | auto fd = std::get<0>(it->second); |
| 107 | int rc = lseek(fd, offset, SEEK_SET); |
| 108 | if (rc == -1) |
| 109 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 110 | error("CertHandler::write:lseek failed, ERROR={ERR}, OFFSET={OFFSET}", |
| 111 | "ERR", errno, "OFFSET", offset); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 112 | return PLDM_ERROR; |
| 113 | } |
| 114 | rc = ::write(fd, buffer, length); |
| 115 | if (rc == -1) |
| 116 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 117 | error( |
| 118 | "CertHandler::write:file write failed, ERROR={ERR}, LENGTH={LEN}, OFFSET={OFFSET}", |
| 119 | "ERR", errno, "LEN", length, "OFFSET", offset); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 120 | return PLDM_ERROR; |
| 121 | } |
| 122 | length = rc; |
| 123 | auto& remSize = std::get<1>(it->second); |
| 124 | remSize -= length; |
| 125 | if (!remSize) |
| 126 | { |
| 127 | close(fd); |
| 128 | certMap.erase(it); |
| 129 | } |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 130 | |
| 131 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 132 | { |
| 133 | constexpr auto certObjPath = "/xyz/openbmc_project/certs/ca/entry/"; |
| 134 | constexpr auto certEntryIntf = "xyz.openbmc_project.Certs.Entry"; |
| 135 | |
| 136 | std::string filePath = certFilePath; |
| 137 | filePath += "ClientCert_" + std::to_string(fileHandle); |
| 138 | |
| 139 | std::ifstream inFile; |
| 140 | inFile.open(filePath); |
| 141 | std::stringstream strStream; |
| 142 | strStream << inFile.rdbuf(); |
| 143 | std::string str = strStream.str(); |
| 144 | inFile.close(); |
| 145 | |
| 146 | if (!str.empty()) |
| 147 | { |
| 148 | PropertyValue value{str}; |
| 149 | |
| 150 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 151 | certEntryIntf, "ClientCertificate", |
| 152 | "string"}; |
| 153 | try |
| 154 | { |
| 155 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 156 | } |
| 157 | catch (const std::exception& e) |
| 158 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 159 | error( |
| 160 | "CertHandler::write:failed to set Client certificate, ERROR={ERR_EXCEP}", |
| 161 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 162 | return PLDM_ERROR; |
| 163 | } |
| 164 | PropertyValue valueStatus{ |
| 165 | "xyz.openbmc_project.Certs.Entry.State.Complete"}; |
| 166 | DBusMapping dbusMappingStatus{certObjPath + |
| 167 | std::to_string(fileHandle), |
| 168 | certEntryIntf, "Status", "string"}; |
| 169 | try |
| 170 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 171 | info( |
| 172 | "CertHandler::write:Client cert write, status: complete. File handle: {FILE_HANDLE}", |
| 173 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 174 | pldm::utils::DBusHandler().setDbusProperty(dbusMappingStatus, |
| 175 | valueStatus); |
| 176 | } |
| 177 | catch (const std::exception& e) |
| 178 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 179 | error( |
| 180 | "CertHandler::write:failed to set status property of certicate entry, ERROR={ERR_EXCEP}", |
| 181 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 182 | return PLDM_ERROR; |
| 183 | } |
| 184 | fs::remove(filePath); |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | PropertyValue value{"xyz.openbmc_project.Certs.Entry.State.BadCSR"}; |
| 189 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 190 | certEntryIntf, "Status", "string"}; |
| 191 | try |
| 192 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 193 | info( |
| 194 | "CertHandler::write:Client cert write, status: Bad CSR. File handle: {FILE_HANDLE}", |
| 195 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 196 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 197 | } |
| 198 | catch (const std::exception& e) |
| 199 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 200 | error( |
| 201 | "CertHandler::write:failed to set status property of certicate entry, {ERR_EXCEP}", |
| 202 | "ERR_EXCEP", e.what()); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 203 | return PLDM_ERROR; |
| 204 | } |
| 205 | } |
| 206 | } |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 207 | return PLDM_SUCCESS; |
| 208 | } |
| 209 | |
| 210 | int CertHandler::newFileAvailable(uint64_t length) |
| 211 | { |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 212 | fs::create_directories(certFilePath); |
| 213 | fs::permissions(certFilePath, |
| 214 | fs::perms::others_read | fs::perms::owner_write); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 215 | int fileFd = -1; |
| 216 | int flags = O_WRONLY | O_CREAT | O_TRUNC; |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 217 | std::string filePath = certFilePath; |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 218 | |
| 219 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 220 | { |
| 221 | return PLDM_ERROR_INVALID_DATA; |
| 222 | } |
| 223 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 224 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 225 | info( |
| 226 | "CertHandler::newFileAvailable:new file available client cert file, file handle: {FILE_HANDLE}", |
| 227 | "FILE_HANDLE", fileHandle); |
Varsha Kaverappa | 219ace9 | 2021-04-01 02:50:11 -0500 | [diff] [blame] | 228 | fileFd = open( |
| 229 | (filePath + "ClientCert_" + std::to_string(fileHandle)).c_str(), |
| 230 | flags, S_IRUSR | S_IWUSR); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 231 | } |
| 232 | else if (certType == PLDM_FILE_TYPE_ROOT_CERT) |
| 233 | { |
Patrick Williams | 6da4f91 | 2023-05-10 07:50:53 -0500 | [diff] [blame] | 234 | fileFd = open((filePath + "RootCert").c_str(), flags, |
| 235 | S_IRUSR | S_IWUSR); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 236 | } |
| 237 | if (fileFd == -1) |
| 238 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 239 | error( |
| 240 | "CertHandler::newFileAvailable:failed to open file for type {CERT_TYPE} ERROR={ERR}", |
| 241 | "CERT_TYPE", certType, "ERR", errno); |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 242 | return PLDM_ERROR; |
| 243 | } |
| 244 | certMap.emplace(certType, std::tuple(fileFd, length)); |
| 245 | return PLDM_SUCCESS; |
| 246 | } |
| 247 | |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 248 | int CertHandler::newFileAvailableWithMetaData(uint64_t length, |
| 249 | uint32_t metaDataValue1, |
| 250 | uint32_t /*metaDataValue2*/, |
| 251 | uint32_t /*metaDataValue3*/, |
| 252 | uint32_t /*metaDataValue4*/) |
| 253 | { |
| 254 | fs::create_directories(certFilePath); |
| 255 | fs::permissions(certFilePath, |
| 256 | fs::perms::others_read | fs::perms::owner_write); |
| 257 | int fileFd = -1; |
| 258 | int flags = O_WRONLY | O_CREAT | O_TRUNC; |
| 259 | std::string filePath = certFilePath; |
| 260 | |
| 261 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 262 | { |
| 263 | return PLDM_ERROR_INVALID_DATA; |
| 264 | } |
| 265 | if (certType == PLDM_FILE_TYPE_SIGNED_CERT) |
| 266 | { |
| 267 | if (metaDataValue1 == PLDM_SUCCESS) |
| 268 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 269 | error( |
| 270 | "CertHandler::newFileAvailableWithMetaData:new file available client cert file, file handle: {FILE_HANDLE}", |
| 271 | "FILE_HANDLE", fileHandle); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 272 | fileFd = open( |
| 273 | (filePath + "ClientCert_" + std::to_string(fileHandle)).c_str(), |
| 274 | flags, S_IRUSR | S_IWUSR); |
| 275 | } |
| 276 | else if (metaDataValue1 == PLDM_INVALID_CERT_DATA) |
| 277 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 278 | error( |
| 279 | "newFileAvailableWithMetaData:client cert file Invalid data, file handle: {FILE_HANDLE}", |
| 280 | "FILE_HANDLE", fileHandle); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 281 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 282 | certEntryIntf, "Status", "string"}; |
| 283 | std::string status = "xyz.openbmc_project.Certs.Entry.State.BadCSR"; |
| 284 | PropertyValue value{status}; |
| 285 | try |
| 286 | { |
| 287 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 288 | } |
| 289 | catch (const std::exception& e) |
| 290 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 291 | error( |
| 292 | "newFileAvailableWithMetaData:Failed to set status property of certicate entry, ERROR= {ERR_EXCEP}", |
| 293 | "ERR_EXCEP", e.what()); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 294 | return PLDM_ERROR; |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | else if (certType == PLDM_FILE_TYPE_ROOT_CERT) |
| 299 | { |
Patrick Williams | 6da4f91 | 2023-05-10 07:50:53 -0500 | [diff] [blame] | 300 | fileFd = open((filePath + "RootCert").c_str(), flags, |
| 301 | S_IRUSR | S_IWUSR); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 302 | } |
| 303 | if (fileFd == -1) |
| 304 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 305 | error( |
| 306 | "newFileAvailableWithMetaData:failed to open file for type {CERT_TYPE} ERROR={ERR}", |
| 307 | "CERT_TYPE", certType, "ERR", errno); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 308 | return PLDM_ERROR; |
| 309 | } |
| 310 | certMap.emplace(certType, std::tuple(fileFd, length)); |
| 311 | return PLDM_SUCCESS; |
| 312 | } |
| 313 | |
| 314 | int CertHandler::fileAckWithMetaData(uint8_t fileStatus, |
| 315 | uint32_t /*metaDataValue1*/, |
| 316 | uint32_t /*metaDataValue2*/, |
| 317 | uint32_t /*metaDataValue3*/, |
| 318 | uint32_t /*metaDataValue4*/) |
| 319 | { |
| 320 | if (certType == PLDM_FILE_TYPE_CERT_SIGNING_REQUEST) |
| 321 | { |
| 322 | DBusMapping dbusMapping{certObjPath + std::to_string(fileHandle), |
| 323 | certEntryIntf, "Status", "string"}; |
| 324 | PropertyValue value = "xyz.openbmc_project.Certs.Entry.State.Pending"; |
| 325 | if (fileStatus == PLDM_ERROR_INVALID_DATA) |
| 326 | { |
| 327 | value = "xyz.openbmc_project.Certs.Entry.State.BadCSR"; |
| 328 | } |
| 329 | else if (fileStatus == PLDM_ERROR_NOT_READY) |
| 330 | { |
| 331 | value = "xyz.openbmc_project.Certs.Entry.State.Pending"; |
| 332 | } |
| 333 | try |
| 334 | { |
| 335 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 336 | } |
| 337 | catch (const std::exception& e) |
| 338 | { |
Riya Dixit | 49cfb13 | 2023-03-02 04:26:53 -0600 | [diff] [blame] | 339 | error( |
| 340 | "CertHandler::fileAckWithMetaData:Failed to set status property of certicate entry, ERROR={ERR_EXCEP}", |
| 341 | "ERR_EXCEP", e.what()); |
Sridevi Ramesh | e3b3f63 | 2022-06-14 05:28:15 -0500 | [diff] [blame] | 342 | return PLDM_ERROR; |
| 343 | } |
| 344 | } |
| 345 | return PLDM_SUCCESS; |
| 346 | } |
| 347 | |
Sampa Misra | d823cc0 | 2020-03-24 04:53:20 -0500 | [diff] [blame] | 348 | } // namespace responder |
| 349 | } // namespace pldm |