John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 1 | |
| 2 | #include "estoraged.hpp" |
| 3 | |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 4 | #include "cryptsetupInterface.hpp" |
John Edward Broadbent | e6ffe70 | 2021-10-14 14:03:11 -0700 | [diff] [blame^] | 5 | #include "verifyDriveGeometry.hpp" |
John Edward Broadbent | 4e13b0a | 2021-11-15 15:21:59 -0800 | [diff] [blame] | 6 | |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 7 | #include <libcryptsetup.h> |
| 8 | #include <openssl/rand.h> |
| 9 | #include <stdlib.h> |
| 10 | |
| 11 | #include <phosphor-logging/lg2.hpp> |
| 12 | #include <xyz/openbmc_project/eStoraged/error.hpp> |
| 13 | |
| 14 | #include <filesystem> |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 15 | #include <iostream> |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 16 | #include <string_view> |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 17 | #include <vector> |
| 18 | |
John Edward Broadbent | e6ffe70 | 2021-10-14 14:03:11 -0700 | [diff] [blame^] | 19 | using sdbusplus::xyz::openbmc_project::eStoraged::Error::EraseError; |
| 20 | |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 21 | namespace estoraged |
| 22 | { |
| 23 | |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 24 | using sdbusplus::xyz::openbmc_project::eStoraged::Error::EncryptionError; |
| 25 | using sdbusplus::xyz::openbmc_project::eStoraged::Error::FilesystemError; |
| 26 | |
| 27 | void eStoraged::format(std::vector<uint8_t> password) |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 28 | { |
John Edward Broadbent | 4e13b0a | 2021-11-15 15:21:59 -0800 | [diff] [blame] | 29 | std::string msg = "OpenBMC.0.1.DriveFormat"; |
| 30 | lg2::info("Starting format", "REDFISH_MESSAGE_ID", msg); |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 31 | |
| 32 | struct crypt_device* cryptDev; |
| 33 | CryptHandle cryptHandle(&cryptDev, devPath.c_str()); |
| 34 | if (*cryptHandle.handle == nullptr) |
| 35 | { |
| 36 | lg2::error("Failed to initialize crypt device", "REDFISH_MESSAGE_ID", |
| 37 | std::string("OpenBMC.0.1.FormatFail")); |
| 38 | throw EncryptionError(); |
| 39 | } |
| 40 | |
| 41 | formatLuksDev(cryptDev, password); |
| 42 | activateLuksDev(cryptDev, password); |
| 43 | |
| 44 | createFilesystem(); |
| 45 | mountFilesystem(); |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 46 | } |
| 47 | |
John Edward Broadbent | e6ffe70 | 2021-10-14 14:03:11 -0700 | [diff] [blame^] | 48 | void eStoraged::erase(std::vector<uint8_t>, EraseMethod inEraseMethod) |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 49 | { |
| 50 | std::cerr << "Erasing encrypted eMMC" << std::endl; |
John Edward Broadbent | e6ffe70 | 2021-10-14 14:03:11 -0700 | [diff] [blame^] | 51 | lg2::info("Starting erase", "REDFISH_MESSAGE_ID", |
| 52 | std::string("OpenBMC.0.1.DriveErase")); |
| 53 | switch (inEraseMethod) |
| 54 | { |
| 55 | case EraseMethod::CryptoErase: |
| 56 | { |
| 57 | break; |
| 58 | } |
| 59 | case EraseMethod::VerifyGeometry: |
| 60 | { |
| 61 | VerifyDriveGeometry myVerifyGeometry(devPath); |
| 62 | uint64_t size = myVerifyGeometry.findSizeOfBlockDevice(); |
| 63 | myVerifyGeometry.geometryOkay(size); |
| 64 | break; |
| 65 | } |
| 66 | case EraseMethod::LogicalOverWrite: |
| 67 | { |
| 68 | break; |
| 69 | } |
| 70 | case EraseMethod::LogicalVerify: |
| 71 | { |
| 72 | break; |
| 73 | } |
| 74 | case EraseMethod::VendorSanitize: |
| 75 | { |
| 76 | break; |
| 77 | } |
| 78 | case EraseMethod::ZeroOverWrite: |
| 79 | { |
| 80 | break; |
| 81 | } |
| 82 | case EraseMethod::ZeroVerify: |
| 83 | { |
| 84 | break; |
| 85 | } |
| 86 | case EraseMethod::SecuredLocked: |
| 87 | { |
| 88 | break; |
| 89 | } |
| 90 | } |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | void eStoraged::lock(std::vector<uint8_t>) |
| 94 | { |
John Edward Broadbent | 4e13b0a | 2021-11-15 15:21:59 -0800 | [diff] [blame] | 95 | std::string msg = "OpenBMC.0.1.DriveLock"; |
| 96 | lg2::info("Starting lock", "REDFISH_MESSAGE_ID", msg); |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 97 | |
| 98 | unmountFilesystem(); |
| 99 | deactivateLuksDev(); |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 100 | } |
| 101 | |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 102 | void eStoraged::unlock(std::vector<uint8_t> password) |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 103 | { |
John Edward Broadbent | 4e13b0a | 2021-11-15 15:21:59 -0800 | [diff] [blame] | 104 | std::string msg = "OpenBMC.0.1.DriveUnlock"; |
| 105 | lg2::info("Starting unlock", "REDFISH_MESSAGE_ID", msg); |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 106 | |
| 107 | struct crypt_device* cryptDev; |
| 108 | CryptHandle cryptHandle(&cryptDev, devPath.c_str()); |
| 109 | if (*cryptHandle.handle == nullptr) |
| 110 | { |
| 111 | lg2::error("Failed to initialize crypt device", "REDFISH_MESSAGE_ID", |
| 112 | std::string("OpenBMC.0.1.UnlockFail")); |
| 113 | throw EncryptionError(); |
| 114 | } |
| 115 | |
| 116 | activateLuksDev(cryptDev, password); |
| 117 | mountFilesystem(); |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | void eStoraged::changePassword(std::vector<uint8_t>, std::vector<uint8_t>) |
| 121 | { |
| 122 | std::cerr << "Changing password for encrypted eMMC" << std::endl; |
John Edward Broadbent | e6ffe70 | 2021-10-14 14:03:11 -0700 | [diff] [blame^] | 123 | lg2::info("Starting change password", "REDFISH_MESSAGE_ID", |
| 124 | std::string("OpenBMC.0.1.DrivePasswordChanged")); |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 125 | } |
| 126 | |
John Wedig | b810c92 | 2021-11-17 16:38:03 -0800 | [diff] [blame] | 127 | bool eStoraged::isLocked() const |
| 128 | { |
| 129 | return locked(); |
| 130 | } |
| 131 | |
| 132 | std::string_view eStoraged::getMountPoint() const |
| 133 | { |
| 134 | return mountPoint; |
| 135 | } |
| 136 | |
| 137 | void eStoraged::formatLuksDev(struct crypt_device* cd, |
| 138 | std::vector<uint8_t> password) |
| 139 | { |
| 140 | lg2::info("Formatting device {DEV}", "DEV", devPath, "REDFISH_MESSAGE_ID", |
| 141 | std::string("OpenBMC.0.1.FormatLuksDev")); |
| 142 | |
| 143 | /* Generate the volume key. */ |
| 144 | const std::size_t keySize = 64; |
| 145 | std::vector<uint8_t> volumeKey(keySize); |
| 146 | if (RAND_bytes(volumeKey.data(), keySize) != 1) |
| 147 | { |
| 148 | lg2::error("Failed to create volume key", "REDFISH_MESSAGE_ID", |
| 149 | std::string("OpenBMC.0.1.FormatLuksDevFail")); |
| 150 | throw EncryptionError(); |
| 151 | } |
| 152 | /* Format the LUKS encrypted device. */ |
| 153 | int retval = |
| 154 | cryptIface->cryptFormat(cd, CRYPT_LUKS2, "aes", "xts-plain64", nullptr, |
| 155 | reinterpret_cast<const char*>(volumeKey.data()), |
| 156 | volumeKey.size(), nullptr); |
| 157 | if (retval < 0) |
| 158 | { |
| 159 | lg2::error("Failed to format encrypted device: {RETVAL}", "RETVAL", |
| 160 | retval, "REDFISH_MESSAGE_ID", |
| 161 | std::string("OpenBMC.0.1.FormatLuksDevFail")); |
| 162 | throw EncryptionError(); |
| 163 | } |
| 164 | |
| 165 | /* Device is now encrypted. */ |
| 166 | locked(true); |
| 167 | |
| 168 | /* Set the password. */ |
| 169 | retval = cryptIface->cryptKeyslotAddByVolumeKey( |
| 170 | cd, CRYPT_ANY_SLOT, nullptr, 0, |
| 171 | reinterpret_cast<const char*>(password.data()), password.size()); |
| 172 | |
| 173 | if (retval < 0) |
| 174 | { |
| 175 | lg2::error("Failed to set encryption password", "REDFISH_MESSAGE_ID", |
| 176 | std::string("OpenBMC.0.1.FormatLuksDevFail")); |
| 177 | throw EncryptionError(); |
| 178 | } |
| 179 | |
| 180 | lg2::info("Encrypted device {DEV} successfully formatted", "DEV", devPath, |
| 181 | "REDFISH_MESSAGE_ID", |
| 182 | std::string("OpenBMC.0.1.FormatLuksDevSuccess")); |
| 183 | } |
| 184 | |
| 185 | void eStoraged::activateLuksDev(struct crypt_device* cd, |
| 186 | std::vector<uint8_t> password) |
| 187 | { |
| 188 | lg2::info("Activating LUKS dev {DEV}", "DEV", devPath, "REDFISH_MESSAGE_ID", |
| 189 | std::string("OpenBMC.0.1.ActivateLuksDev")); |
| 190 | |
| 191 | int retval = cryptIface->cryptLoad(cd, CRYPT_LUKS2, nullptr); |
| 192 | if (retval < 0) |
| 193 | { |
| 194 | lg2::error("Failed to load LUKS header: {RETVAL}", "RETVAL", retval, |
| 195 | "REDFISH_MESSAGE_ID", |
| 196 | std::string("OpenBMC.0.1.ActivateLuksDevFail")); |
| 197 | throw EncryptionError(); |
| 198 | } |
| 199 | |
| 200 | retval = cryptIface->cryptActivateByPassphrase( |
| 201 | cd, containerName.c_str(), CRYPT_ANY_SLOT, |
| 202 | reinterpret_cast<const char*>(password.data()), password.size(), 0); |
| 203 | |
| 204 | if (retval < 0) |
| 205 | { |
| 206 | lg2::error("Failed to activate LUKS dev: {RETVAL}", "RETVAL", retval, |
| 207 | "REDFISH_MESSAGE_ID", |
| 208 | std::string("OpenBMC.0.1.ActivateLuksDevFail")); |
| 209 | throw EncryptionError(); |
| 210 | } |
| 211 | |
| 212 | /* Device is now unlocked. */ |
| 213 | locked(false); |
| 214 | |
| 215 | lg2::info("Successfully activated LUKS dev {DEV}", "DEV", devPath, |
| 216 | "REDFISH_MESSAGE_ID", |
| 217 | std::string("OpenBMC.0.1.ActivateLuksDevSuccess")); |
| 218 | } |
| 219 | |
| 220 | void eStoraged::createFilesystem() |
| 221 | { |
| 222 | /* Run the command to create the filesystem. */ |
| 223 | int retval = fsIface->runMkfs(containerName); |
| 224 | if (retval) |
| 225 | { |
| 226 | lg2::error("Failed to create filesystem: {RETVAL}", "RETVAL", retval, |
| 227 | "REDFISH_MESSAGE_ID", |
| 228 | std::string("OpenBMC.0.1.CreateFilesystemFail")); |
| 229 | throw FilesystemError(); |
| 230 | } |
| 231 | lg2::info("Successfully created filesystem for /dev/mapper/{CONTAINER}", |
| 232 | "CONTAINER", containerName, "REDFISH_MESSAGE_ID", |
| 233 | std::string("OpenBMC.0.1.CreateFilesystemSuccess")); |
| 234 | } |
| 235 | |
| 236 | void eStoraged::mountFilesystem() |
| 237 | { |
| 238 | /* Create directory for the filesystem. */ |
| 239 | bool success = fsIface->createDirectory(std::filesystem::path(mountPoint)); |
| 240 | if (!success) |
| 241 | { |
| 242 | lg2::error("Failed to create mount point: {DIR}", "DIR", mountPoint, |
| 243 | "REDFISH_MESSAGE_ID", |
| 244 | std::string("OpenBMC.0.1.MountFilesystemFail")); |
| 245 | throw FilesystemError(); |
| 246 | } |
| 247 | |
| 248 | /* Run the command to mount the filesystem. */ |
| 249 | std::string luksContainer("/dev/mapper/" + containerName); |
| 250 | int retval = fsIface->doMount(luksContainer.c_str(), mountPoint.c_str(), |
| 251 | "ext4", 0, nullptr); |
| 252 | if (retval) |
| 253 | { |
| 254 | lg2::error("Failed to mount filesystem: {RETVAL}", "RETVAL", retval, |
| 255 | "REDFISH_MESSAGE_ID", |
| 256 | std::string("OpenBMC.0.1.MountFilesystemFail")); |
| 257 | bool removeSuccess = |
| 258 | fsIface->removeDirectory(std::filesystem::path(mountPoint)); |
| 259 | if (!removeSuccess) |
| 260 | { |
| 261 | lg2::error("Failed to remove mount point: {DIR}", "DIR", mountPoint, |
| 262 | "REDFISH_MESSAGE_ID", |
| 263 | std::string("OpenBMC.0.1.MountFilesystemFail")); |
| 264 | } |
| 265 | throw FilesystemError(); |
| 266 | } |
| 267 | |
| 268 | lg2::info("Successfully mounted filesystem at {DIR}", "DIR", mountPoint, |
| 269 | "REDFISH_MESSAGE_ID", |
| 270 | std::string("OpenBMC.0.1.MountFilesystemSuccess")); |
| 271 | } |
| 272 | |
| 273 | void eStoraged::unmountFilesystem() |
| 274 | { |
| 275 | int retval = fsIface->doUnmount(mountPoint.c_str()); |
| 276 | if (retval) |
| 277 | { |
| 278 | lg2::error("Failed to unmount filesystem: {RETVAL}", "RETVAL", retval, |
| 279 | "REDFISH_MESSAGE_ID", |
| 280 | std::string("OpenBMC.0.1.UnmountFilesystemFail")); |
| 281 | throw FilesystemError(); |
| 282 | } |
| 283 | |
| 284 | /* Remove the mount point. */ |
| 285 | bool success = fsIface->removeDirectory(std::filesystem::path(mountPoint)); |
| 286 | if (!success) |
| 287 | { |
| 288 | lg2::error("Failed to remove mount point {DIR}", "DIR", mountPoint, |
| 289 | "REDFISH_MESSAGE_ID", |
| 290 | std::string("OpenBMC.0.1.UnmountFilesystemFail")); |
| 291 | throw FilesystemError(); |
| 292 | } |
| 293 | |
| 294 | lg2::info("Successfully unmounted filesystem at {DIR}", "DIR", mountPoint, |
| 295 | "REDFISH_MESSAGE_ID", |
| 296 | std::string("OpenBMC.0.1.MountFilesystemSuccess")); |
| 297 | } |
| 298 | |
| 299 | void eStoraged::deactivateLuksDev() |
| 300 | { |
| 301 | lg2::info("Deactivating LUKS device {DEV}", "DEV", devPath, |
| 302 | "REDFISH_MESSAGE_ID", |
| 303 | std::string("OpenBMC.0.1.DeactivateLuksDev")); |
| 304 | |
| 305 | int retval = cryptIface->cryptDeactivate(nullptr, containerName.c_str()); |
| 306 | if (retval < 0) |
| 307 | { |
| 308 | lg2::error("Failed to deactivate crypt device: {RETVAL}", "RETVAL", |
| 309 | retval, "REDFISH_MESSAGE_ID", |
| 310 | std::string("OpenBMC.0.1.DeactivateLuksDevFail")); |
| 311 | throw EncryptionError(); |
| 312 | } |
| 313 | |
| 314 | /* Device is now locked. */ |
| 315 | locked(true); |
| 316 | |
| 317 | lg2::info("Successfully deactivated LUKS device {DEV}", "DEV", devPath, |
| 318 | "REDFISH_MESSAGE_ID", |
| 319 | std::string("OpenBMC.0.1.DeactivateLuksDevSuccess")); |
| 320 | } |
| 321 | |
John Wedig | 2098dab | 2021-09-14 13:56:28 -0700 | [diff] [blame] | 322 | } // namespace estoraged |