Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 1 | #include "defs.h" |
Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 2 | |
| 3 | typedef int32_t key_serial_t; |
| 4 | |
Dmitry V. Levin | 0ed617b | 2014-04-25 23:30:54 +0000 | [diff] [blame] | 5 | #include "xlat/key_spec.h" |
Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 6 | |
| 7 | static void |
| 8 | print_keyring_serial_number(key_serial_t id) |
| 9 | { |
| 10 | const char *str = xlookup(key_spec, id); |
| 11 | |
| 12 | if (str) |
| 13 | tprints(str); |
| 14 | else |
| 15 | tprintf("%d", id); |
| 16 | } |
| 17 | |
| 18 | int |
| 19 | sys_add_key(struct tcb *tcp) |
| 20 | { |
| 21 | if (entering(tcp)) { |
| 22 | /* type */ |
| 23 | printstr(tcp, tcp->u_arg[0], -1); |
| 24 | /* description */ |
| 25 | tprints(", "); |
| 26 | printstr(tcp, tcp->u_arg[1], -1); |
| 27 | /* payload */ |
| 28 | tprints(", "); |
| 29 | printstr(tcp, tcp->u_arg[2], tcp->u_arg[3]); |
| 30 | /* payload length */ |
| 31 | tprintf(", %lu, ", tcp->u_arg[3]); |
| 32 | /* keyring serial number */ |
| 33 | print_keyring_serial_number(tcp->u_arg[4]); |
| 34 | } |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | int |
| 39 | sys_request_key(struct tcb *tcp) |
| 40 | { |
| 41 | if (entering(tcp)) { |
| 42 | /* type */ |
| 43 | printstr(tcp, tcp->u_arg[0], -1); |
| 44 | /* description */ |
| 45 | tprints(", "); |
| 46 | printstr(tcp, tcp->u_arg[1], -1); |
| 47 | /* callout_info */ |
| 48 | tprints(", "); |
| 49 | printstr(tcp, tcp->u_arg[2], -1); |
| 50 | /* keyring serial number */ |
| 51 | tprints(", "); |
| 52 | print_keyring_serial_number(tcp->u_arg[3]); |
| 53 | } |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | static int |
| 58 | keyctl_get_keyring_id(struct tcb *tcp, key_serial_t id, int create) |
| 59 | { |
| 60 | if (entering(tcp)) { |
| 61 | tprints(", "); |
| 62 | print_keyring_serial_number(id); |
| 63 | tprintf(", %d", create); |
| 64 | } |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static int |
| 69 | keyctl_join_session_keyring(struct tcb *tcp, long addr) |
| 70 | { |
| 71 | if (entering(tcp)) { |
| 72 | tprints(", "); |
| 73 | printstr(tcp, addr, -1); |
| 74 | } |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | static int |
| 79 | keyctl_update_key(struct tcb *tcp, key_serial_t id, long addr, long len) |
| 80 | { |
| 81 | if (entering(tcp)) { |
| 82 | tprints(", "); |
| 83 | print_keyring_serial_number(id); |
| 84 | tprints(", "); |
| 85 | printstr(tcp, addr, len); |
| 86 | tprintf(", %lu", len); |
| 87 | } |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | static int |
| 92 | keyctl_handle_key(struct tcb *tcp, key_serial_t id) |
| 93 | { |
| 94 | if (entering(tcp)) { |
| 95 | tprints(", "); |
| 96 | print_keyring_serial_number(id); |
| 97 | } |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | static int |
| 102 | keyctl_handle_key_key(struct tcb *tcp, key_serial_t id1, key_serial_t id2) |
| 103 | { |
| 104 | if (entering(tcp)) { |
| 105 | tprints(", "); |
| 106 | print_keyring_serial_number(id1); |
| 107 | tprints(", "); |
| 108 | print_keyring_serial_number(id2); |
| 109 | } |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | static int |
| 114 | keyctl_read_key(struct tcb *tcp, key_serial_t id, long addr, long len) |
| 115 | { |
| 116 | if (entering(tcp)) { |
| 117 | tprints(", "); |
| 118 | print_keyring_serial_number(id); |
| 119 | tprints(", "); |
| 120 | } else { |
| 121 | if (addr && syserror(tcp)) |
| 122 | tprintf("%#lx", addr); |
| 123 | else { |
| 124 | long rval = tcp->u_rval > len ? |
| 125 | len : (tcp->u_rval ? -1 : 0); |
| 126 | printstr(tcp, addr, rval); |
| 127 | } |
| 128 | tprintf(", %lu", len); |
| 129 | } |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | static int |
| 134 | keyctl_keyring_search(struct tcb *tcp, key_serial_t id1, long addr1, |
| 135 | long addr2, key_serial_t id2) |
| 136 | { |
| 137 | if (entering(tcp)) { |
| 138 | tprints(", "); |
| 139 | print_keyring_serial_number(id1); |
| 140 | tprints(", "); |
| 141 | printstr(tcp, addr1, -1); |
| 142 | tprints(", "); |
| 143 | printstr(tcp, addr2, -1); |
| 144 | tprints(", "); |
| 145 | print_keyring_serial_number(id2); |
| 146 | } |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | static int |
| 151 | keyctl_chown_key(struct tcb *tcp, key_serial_t id, int user, int group) |
| 152 | { |
| 153 | if (entering(tcp)) { |
| 154 | tprints(", "); |
| 155 | print_keyring_serial_number(id); |
| 156 | tprintf(", %d, %d", user, group); |
| 157 | } |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | static int |
| 162 | keyctl_instantiate_key(struct tcb *tcp, key_serial_t id1, long addr, |
| 163 | long len, key_serial_t id2) |
| 164 | { |
| 165 | if (entering(tcp)) { |
| 166 | tprints(", "); |
| 167 | print_keyring_serial_number(id1); |
| 168 | tprints(", "); |
| 169 | printstr(tcp, addr, len); |
| 170 | tprintf(", %lu, ", len); |
| 171 | print_keyring_serial_number(id2); |
| 172 | } |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | static int |
| 177 | keyctl_instantiate_key_iov(struct tcb *tcp, key_serial_t id1, |
| 178 | long addr, long len, key_serial_t id2) |
| 179 | { |
| 180 | if (entering(tcp)) { |
| 181 | tprints(", "); |
| 182 | print_keyring_serial_number(id1); |
| 183 | tprints(", "); |
| 184 | tprint_iov(tcp, len, addr, 1); |
| 185 | tprintf(", %lu, ", len); |
| 186 | print_keyring_serial_number(id2); |
| 187 | } |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | static int |
| 192 | keyctl_negate_key(struct tcb *tcp, key_serial_t id1, unsigned timeout, |
| 193 | key_serial_t id2) |
| 194 | { |
| 195 | if (entering(tcp)) { |
| 196 | tprints(", "); |
| 197 | print_keyring_serial_number(id1); |
| 198 | tprintf(", %u, ", timeout); |
| 199 | print_keyring_serial_number(id2); |
| 200 | } |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | static int |
| 205 | keyctl_reject_key(struct tcb *tcp, key_serial_t id1, unsigned timeout, |
| 206 | unsigned error, key_serial_t id2) |
| 207 | { |
| 208 | if (entering(tcp)) { |
| 209 | tprints(", "); |
| 210 | print_keyring_serial_number(id1); |
| 211 | tprintf(", %u, %u, ", timeout, error); |
| 212 | print_keyring_serial_number(id2); |
| 213 | } |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | static int |
| 218 | keyctl_set_timeout(struct tcb *tcp, key_serial_t id, unsigned timeout) |
| 219 | { |
| 220 | if (entering(tcp)) { |
| 221 | tprints(", "); |
| 222 | print_keyring_serial_number(id); |
| 223 | tprintf(", %u", timeout); |
| 224 | } |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | static int |
| 229 | keyctl_get_persistent(struct tcb *tcp, int uid, key_serial_t id) |
| 230 | { |
| 231 | if (entering(tcp)) { |
| 232 | tprintf(", %d, ", uid); |
| 233 | print_keyring_serial_number(id); |
| 234 | } |
| 235 | return 0; |
| 236 | } |
| 237 | |
Dmitry V. Levin | 0ed617b | 2014-04-25 23:30:54 +0000 | [diff] [blame] | 238 | #include "xlat/key_perms.h" |
Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 239 | |
| 240 | static int |
| 241 | keyctl_setperm_key(struct tcb *tcp, key_serial_t id, uint32_t perm) |
| 242 | { |
| 243 | if (entering(tcp)) { |
| 244 | tprints(", "); |
| 245 | print_keyring_serial_number(id); |
| 246 | tprints(", "); |
| 247 | printflags(key_perms, perm, "KEY_???"); |
| 248 | } |
| 249 | return 0; |
| 250 | } |
| 251 | |
Dmitry V. Levin | 0ed617b | 2014-04-25 23:30:54 +0000 | [diff] [blame] | 252 | #include "xlat/key_reqkeys.h" |
Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 253 | |
| 254 | static int |
| 255 | keyctl_set_reqkey_keyring(struct tcb *tcp, int reqkey) |
| 256 | { |
| 257 | if (entering(tcp)) { |
| 258 | tprints(", "); |
| 259 | printxval(key_reqkeys, reqkey, "KEY_REQKEY_DEFL_???"); |
| 260 | } |
| 261 | return 0; |
| 262 | } |
| 263 | |
Dmitry V. Levin | 0ed617b | 2014-04-25 23:30:54 +0000 | [diff] [blame] | 264 | #include "xlat/keyctl_commands.h" |
Dmitry V. Levin | 3acf403 | 2014-02-05 22:41:45 +0000 | [diff] [blame] | 265 | |
| 266 | int |
| 267 | sys_keyctl(struct tcb *tcp) |
| 268 | { |
| 269 | int cmd = tcp->u_arg[0]; |
| 270 | |
| 271 | if (entering(tcp)) |
| 272 | printxval(keyctl_commands, cmd, "KEYCTL_???"); |
| 273 | |
| 274 | switch (cmd) { |
| 275 | case KEYCTL_GET_KEYRING_ID: |
| 276 | return keyctl_get_keyring_id(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 277 | |
| 278 | case KEYCTL_JOIN_SESSION_KEYRING: |
| 279 | return keyctl_join_session_keyring(tcp, tcp->u_arg[1]); |
| 280 | |
| 281 | case KEYCTL_UPDATE: |
| 282 | return keyctl_update_key(tcp, tcp->u_arg[1], |
| 283 | tcp->u_arg[2], tcp->u_arg[3]); |
| 284 | |
| 285 | case KEYCTL_REVOKE: |
| 286 | case KEYCTL_CLEAR: |
| 287 | case KEYCTL_INVALIDATE: |
| 288 | case KEYCTL_ASSUME_AUTHORITY: |
| 289 | return keyctl_handle_key(tcp, tcp->u_arg[1]); |
| 290 | |
| 291 | case KEYCTL_LINK: |
| 292 | case KEYCTL_UNLINK: |
| 293 | return keyctl_handle_key_key(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 294 | |
| 295 | case KEYCTL_DESCRIBE: |
| 296 | case KEYCTL_READ: |
| 297 | case KEYCTL_GET_SECURITY: |
| 298 | return keyctl_read_key(tcp, tcp->u_arg[1], |
| 299 | tcp->u_arg[2], tcp->u_arg[3]); |
| 300 | |
| 301 | case KEYCTL_SEARCH: |
| 302 | return keyctl_keyring_search(tcp, tcp->u_arg[1], tcp->u_arg[2], |
| 303 | tcp->u_arg[3], tcp->u_arg[4]); |
| 304 | |
| 305 | case KEYCTL_CHOWN: |
| 306 | return keyctl_chown_key(tcp, tcp->u_arg[1], |
| 307 | tcp->u_arg[2], tcp->u_arg[3]); |
| 308 | |
| 309 | case KEYCTL_SETPERM: |
| 310 | return keyctl_setperm_key(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 311 | |
| 312 | case KEYCTL_INSTANTIATE: |
| 313 | return keyctl_instantiate_key(tcp, tcp->u_arg[1], tcp->u_arg[2], |
| 314 | tcp->u_arg[3], tcp->u_arg[4]); |
| 315 | |
| 316 | case KEYCTL_NEGATE: |
| 317 | return keyctl_negate_key(tcp, tcp->u_arg[1], |
| 318 | tcp->u_arg[2], tcp->u_arg[3]); |
| 319 | |
| 320 | case KEYCTL_SET_REQKEY_KEYRING: |
| 321 | return keyctl_set_reqkey_keyring(tcp, tcp->u_arg[1]); |
| 322 | |
| 323 | case KEYCTL_SET_TIMEOUT: |
| 324 | return keyctl_set_timeout(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 325 | |
| 326 | case KEYCTL_SESSION_TO_PARENT: |
| 327 | return 0; |
| 328 | |
| 329 | case KEYCTL_REJECT: |
| 330 | return keyctl_reject_key(tcp, tcp->u_arg[1], tcp->u_arg[2], |
| 331 | tcp->u_arg[3], tcp->u_arg[4]); |
| 332 | |
| 333 | case KEYCTL_INSTANTIATE_IOV: |
| 334 | return keyctl_instantiate_key_iov(tcp, tcp->u_arg[1], |
| 335 | tcp->u_arg[2], tcp->u_arg[3], |
| 336 | tcp->u_arg[4]); |
| 337 | |
| 338 | case KEYCTL_GET_PERSISTENT: |
| 339 | return keyctl_get_persistent(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 340 | |
| 341 | default: |
| 342 | if (entering(tcp)) |
| 343 | tprintf(", %#lx, %#lx, %#lx, %#lx", |
| 344 | tcp->u_arg[1], tcp->u_arg[2], |
| 345 | tcp->u_arg[3], tcp->u_arg[4]); |
| 346 | } |
| 347 | |
| 348 | return 0; |
| 349 | } |