1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 27 /* 28 * The ioctl interface for administrative commands. 29 */ 30 31 #include <sys/types.h> 32 #include <sys/modctl.h> 33 #include <sys/conf.h> 34 #include <sys/stat.h> 35 #include <sys/ddi.h> 36 #include <sys/sunddi.h> 37 #include <sys/kmem.h> 38 #include <sys/errno.h> 39 #include <sys/ksynch.h> 40 #include <sys/file.h> 41 #include <sys/open.h> 42 #include <sys/cred.h> 43 #include <sys/model.h> 44 #include <sys/sysmacros.h> 45 #include <sys/crypto/common.h> 46 #include <sys/crypto/api.h> 47 #include <sys/crypto/impl.h> 48 #include <sys/crypto/sched_impl.h> 49 #include <sys/crypto/ioctladmin.h> 50 #include <c2/audit.h> 51 #include <sys/disp.h> 52 53 /* 54 * DDI entry points. 55 */ 56 static int cryptoadm_attach(dev_info_t *, ddi_attach_cmd_t); 57 static int cryptoadm_detach(dev_info_t *, ddi_detach_cmd_t); 58 static int cryptoadm_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); 59 static int cryptoadm_open(dev_t *, int, int, cred_t *); 60 static int cryptoadm_close(dev_t, int, int, cred_t *); 61 static int cryptoadm_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 62 63 extern void audit_cryptoadm(int, char *, crypto_mech_name_t *, uint_t, 64 uint_t, uint32_t, int); 65 66 /* 67 * Module linkage. 68 */ 69 static struct cb_ops cbops = { 70 cryptoadm_open, /* cb_open */ 71 cryptoadm_close, /* cb_close */ 72 nodev, /* cb_strategy */ 73 nodev, /* cb_print */ 74 nodev, /* cb_dump */ 75 nodev, /* cb_read */ 76 nodev, /* cb_write */ 77 cryptoadm_ioctl, /* cb_ioctl */ 78 nodev, /* cb_devmap */ 79 nodev, /* cb_mmap */ 80 nodev, /* cb_segmap */ 81 nochpoll, /* cb_chpoll */ 82 ddi_prop_op, /* cb_prop_op */ 83 NULL, /* cb_streamtab */ 84 D_MP, /* cb_flag */ 85 CB_REV, /* cb_rev */ 86 nodev, /* cb_aread */ 87 nodev, /* cb_awrite */ 88 }; 89 90 static struct dev_ops devops = { 91 DEVO_REV, /* devo_rev */ 92 0, /* devo_refcnt */ 93 cryptoadm_getinfo, /* devo_getinfo */ 94 nulldev, /* devo_identify */ 95 nulldev, /* devo_probe */ 96 cryptoadm_attach, /* devo_attach */ 97 cryptoadm_detach, /* devo_detach */ 98 nodev, /* devo_reset */ 99 &cbops, /* devo_cb_ops */ 100 NULL, /* devo_bus_ops */ 101 NULL, /* devo_power */ 102 ddi_quiesce_not_needed, /* devo_quiesce */ 103 }; 104 105 static struct modldrv modldrv = { 106 &mod_driverops, /* drv_modops */ 107 "Cryptographic Administrative Interface", /* drv_linkinfo */ 108 &devops, 109 }; 110 111 static struct modlinkage modlinkage = { 112 MODREV_1, /* ml_rev */ 113 &modldrv, /* ml_linkage */ 114 NULL 115 }; 116 117 static dev_info_t *cryptoadm_dip = NULL; 118 119 /* 120 * DDI entry points. 121 */ 122 int 123 _init(void) 124 { 125 return (mod_install(&modlinkage)); 126 } 127 128 int 129 _fini(void) 130 { 131 return (mod_remove(&modlinkage)); 132 } 133 134 int 135 _info(struct modinfo *modinfop) 136 { 137 return (mod_info(&modlinkage, modinfop)); 138 } 139 140 /* ARGSUSED */ 141 static int 142 cryptoadm_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) 143 { 144 switch (cmd) { 145 case DDI_INFO_DEVT2DEVINFO: 146 *result = (void *)cryptoadm_dip; 147 return (DDI_SUCCESS); 148 149 case DDI_INFO_DEVT2INSTANCE: 150 *result = (void *)0; 151 return (DDI_SUCCESS); 152 } 153 return (DDI_FAILURE); 154 } 155 156 static int 157 cryptoadm_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 158 { 159 if (cmd != DDI_ATTACH) { 160 return (DDI_FAILURE); 161 } 162 if (ddi_get_instance(dip) != 0) { 163 /* we only allow instance 0 to attach */ 164 return (DDI_FAILURE); 165 } 166 167 /* create the minor node */ 168 if (ddi_create_minor_node(dip, "cryptoadm", S_IFCHR, 0, 169 DDI_PSEUDO, 0) != DDI_SUCCESS) { 170 cmn_err(CE_WARN, "cryptoadm: failed creating minor node"); 171 ddi_remove_minor_node(dip, NULL); 172 return (DDI_FAILURE); 173 } 174 175 cryptoadm_dip = dip; 176 177 return (DDI_SUCCESS); 178 } 179 180 static int 181 cryptoadm_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 182 { 183 if (cmd != DDI_DETACH) 184 return (DDI_FAILURE); 185 186 cryptoadm_dip = NULL; 187 ddi_remove_minor_node(dip, NULL); 188 189 return (DDI_SUCCESS); 190 } 191 192 /* ARGSUSED */ 193 static int 194 cryptoadm_open(dev_t *devp, int flag, int otyp, cred_t *credp) 195 { 196 if (otyp != OTYP_CHR || cryptoadm_dip == NULL) 197 return (ENXIO); 198 199 /* exclusive opens are not supported */ 200 if (flag & FEXCL) 201 return (ENOTSUP); 202 203 *devp = makedevice(getmajor(*devp), 0); 204 205 kcf_sched_start(); 206 207 return (0); 208 } 209 210 /* ARGSUSED */ 211 static int 212 cryptoadm_close(dev_t dev, int flag, int otyp, cred_t *credp) 213 { 214 return (0); 215 } 216 217 /* 218 * Returns TRUE if array of size MAXNAMELEN contains a '\0' 219 * termination character, otherwise, it returns FALSE. 220 */ 221 static boolean_t 222 null_terminated(char *array) 223 { 224 int i; 225 226 for (i = 0; i < MAXNAMELEN; i++) 227 if (array[i] == '\0') 228 return (B_TRUE); 229 230 return (B_FALSE); 231 } 232 233 /* 234 * This ioctl returns an array of hardware providers. Each entry 235 * contains a device name, device instance, and number of 236 * supported mechanisms. 237 */ 238 /* ARGSUSED */ 239 static int 240 get_dev_list(dev_t dev, caddr_t arg, int mode, int *rval) 241 { 242 crypto_get_dev_list_t dev_list; 243 crypto_dev_list_entry_t *entries; 244 size_t copyout_size; 245 uint_t count; 246 ulong_t offset; 247 248 if (copyin(arg, &dev_list, sizeof (dev_list)) != 0) 249 return (EFAULT); 250 251 /* get the list from the core module */ 252 if (crypto_get_dev_list(&count, &entries) != 0) { 253 dev_list.dl_return_value = CRYPTO_FAILED; 254 if (copyout(&dev_list, arg, sizeof (dev_list)) != 0) { 255 return (EFAULT); 256 } 257 return (0); 258 } 259 260 /* check if buffer is too small */ 261 if (count > dev_list.dl_dev_count) { 262 dev_list.dl_dev_count = count; 263 dev_list.dl_return_value = CRYPTO_BUFFER_TOO_SMALL; 264 crypto_free_dev_list(entries, count); 265 if (copyout(&dev_list, arg, sizeof (dev_list)) != 0) { 266 return (EFAULT); 267 } 268 return (0); 269 } 270 271 dev_list.dl_dev_count = count; 272 dev_list.dl_return_value = CRYPTO_SUCCESS; 273 274 copyout_size = count * sizeof (crypto_dev_list_entry_t); 275 276 /* copyout the first stuff */ 277 if (copyout(&dev_list, arg, sizeof (dev_list)) != 0) { 278 crypto_free_dev_list(entries, count); 279 return (EFAULT); 280 } 281 282 /* copyout entries */ 283 offset = offsetof(crypto_get_dev_list_t, dl_devs); 284 if (count > 0 && copyout(entries, arg + offset, copyout_size) != 0) { 285 crypto_free_dev_list(entries, count); 286 return (EFAULT); 287 } 288 crypto_free_dev_list(entries, count); 289 return (0); 290 } 291 292 /* 293 * This ioctl returns a buffer containing the null terminated names 294 * of software providers. 295 */ 296 /* ARGSUSED */ 297 static int 298 get_soft_list(dev_t dev, caddr_t arg, int mode, int *rval) 299 { 300 STRUCT_DECL(crypto_get_soft_list, soft_list); 301 char *names; 302 size_t len; 303 uint_t count; 304 305 STRUCT_INIT(soft_list, mode); 306 307 if (copyin(arg, STRUCT_BUF(soft_list), STRUCT_SIZE(soft_list)) != 0) 308 return (EFAULT); 309 310 /* get the list from the core module */ 311 if (crypto_get_soft_list(&count, &names, &len) != 0) { 312 STRUCT_FSET(soft_list, sl_return_value, CRYPTO_FAILED); 313 if (copyout(STRUCT_BUF(soft_list), arg, 314 STRUCT_SIZE(soft_list)) != 0) { 315 return (EFAULT); 316 } 317 return (0); 318 } 319 320 /* check if buffer is too small */ 321 if (len > STRUCT_FGET(soft_list, sl_soft_len)) { 322 STRUCT_FSET(soft_list, sl_soft_count, count); 323 STRUCT_FSET(soft_list, sl_soft_len, len); 324 STRUCT_FSET(soft_list, sl_return_value, 325 CRYPTO_BUFFER_TOO_SMALL); 326 kmem_free(names, len); 327 if (copyout(STRUCT_BUF(soft_list), arg, 328 STRUCT_SIZE(soft_list)) != 0) { 329 return (EFAULT); 330 } 331 return (0); 332 } 333 334 STRUCT_FSET(soft_list, sl_soft_count, count); 335 STRUCT_FSET(soft_list, sl_soft_len, len); 336 STRUCT_FSET(soft_list, sl_return_value, CRYPTO_SUCCESS); 337 338 if (count > 0 && copyout(names, 339 STRUCT_FGETP(soft_list, sl_soft_names), len) != 0) { 340 kmem_free(names, len); 341 return (EFAULT); 342 } 343 kmem_free(names, len); 344 345 if (copyout(STRUCT_BUF(soft_list), arg, STRUCT_SIZE(soft_list)) != 0) { 346 return (EFAULT); 347 } 348 349 return (0); 350 } 351 352 /* 353 * This ioctl returns an array of mechanisms supported by the 354 * specified device. 355 */ 356 /* ARGSUSED */ 357 static int 358 get_dev_info(dev_t dev, caddr_t arg, int mode, int *rval) 359 { 360 crypto_get_dev_info_t dev_info; 361 crypto_mech_name_t *entries; 362 size_t copyout_size; 363 uint_t count; 364 ulong_t offset; 365 char *dev_name; 366 int rv; 367 368 if (copyin(arg, &dev_info, sizeof (dev_info)) != 0) 369 return (EFAULT); 370 371 dev_name = dev_info.di_dev_name; 372 /* make sure the device name is null terminated */ 373 if (!null_terminated(dev_name)) { 374 dev_info.di_return_value = CRYPTO_ARGUMENTS_BAD; 375 if (copyout(&dev_info, arg, sizeof (dev_info)) != 0) { 376 return (EFAULT); 377 } 378 return (0); 379 } 380 381 /* get mechanism names from the core module */ 382 if ((rv = crypto_get_dev_info(dev_name, dev_info.di_dev_instance, 383 &count, &entries)) != CRYPTO_SUCCESS) { 384 dev_info.di_return_value = rv; 385 if (copyout(&dev_info, arg, sizeof (dev_info)) != 0) { 386 return (EFAULT); 387 } 388 return (0); 389 } 390 391 /* check if buffer is too small */ 392 if (count > dev_info.di_count) { 393 dev_info.di_count = count; 394 dev_info.di_return_value = CRYPTO_BUFFER_TOO_SMALL; 395 crypto_free_mech_list(entries, count); 396 if (copyout(&dev_info, arg, sizeof (dev_info)) != 0) { 397 return (EFAULT); 398 } 399 return (0); 400 } 401 402 dev_info.di_count = count; 403 dev_info.di_return_value = CRYPTO_SUCCESS; 404 405 copyout_size = count * sizeof (crypto_mech_name_t); 406 407 /* copyout the first stuff */ 408 if (copyout(&dev_info, arg, sizeof (dev_info)) != 0) { 409 crypto_free_mech_list(entries, count); 410 return (EFAULT); 411 } 412 413 /* copyout entries */ 414 offset = offsetof(crypto_get_dev_info_t, di_list); 415 if (copyout(entries, arg + offset, copyout_size) != 0) { 416 crypto_free_mech_list(entries, count); 417 return (EFAULT); 418 } 419 crypto_free_mech_list(entries, count); 420 return (0); 421 } 422 423 /* 424 * This ioctl returns an array of mechanisms supported by the 425 * specified cryptographic module. 426 */ 427 /* ARGSUSED */ 428 static int 429 get_soft_info(dev_t dev, caddr_t arg, int mode, int *rval) 430 { 431 crypto_get_soft_info_t soft_info; 432 crypto_mech_name_t *entries; 433 size_t copyout_size; 434 uint_t count; 435 ulong_t offset; 436 char *name; 437 438 if (copyin(arg, &soft_info, sizeof (soft_info)) != 0) 439 return (EFAULT); 440 441 name = soft_info.si_name; 442 /* make sure the provider name is null terminated */ 443 if (!null_terminated(name)) { 444 soft_info.si_return_value = CRYPTO_ARGUMENTS_BAD; 445 if (copyout(&soft_info, arg, sizeof (soft_info)) != 0) { 446 return (EFAULT); 447 } 448 return (0); 449 } 450 451 /* get mechanism names from the core module */ 452 if (crypto_get_soft_info(name, &count, &entries) != 0) { 453 soft_info.si_return_value = CRYPTO_FAILED; 454 if (copyout(&soft_info, arg, sizeof (soft_info)) != 0) { 455 return (EFAULT); 456 } 457 return (0); 458 } 459 460 /* check if buffer is too small */ 461 if (count > soft_info.si_count) { 462 soft_info.si_count = count; 463 soft_info.si_return_value = CRYPTO_BUFFER_TOO_SMALL; 464 crypto_free_mech_list(entries, count); 465 if (copyout(&soft_info, arg, sizeof (soft_info)) != 0) { 466 return (EFAULT); 467 } 468 return (0); 469 } 470 471 soft_info.si_count = count; 472 soft_info.si_return_value = CRYPTO_SUCCESS; 473 copyout_size = count * sizeof (crypto_mech_name_t); 474 475 /* copyout the first stuff */ 476 if (copyout(&soft_info, arg, sizeof (soft_info)) != 0) { 477 crypto_free_mech_list(entries, count); 478 return (EFAULT); 479 } 480 481 /* copyout entries */ 482 offset = offsetof(crypto_get_soft_info_t, si_list); 483 if (copyout(entries, arg + offset, copyout_size) != 0) { 484 crypto_free_mech_list(entries, count); 485 return (EFAULT); 486 } 487 crypto_free_mech_list(entries, count); 488 return (0); 489 } 490 491 /* 492 * This ioctl disables mechanisms supported by the specified device. 493 */ 494 /* ARGSUSED */ 495 static int 496 load_dev_disabled(dev_t dev, caddr_t arg, int mode, int *rval) 497 { 498 crypto_load_dev_disabled_t dev_disabled; 499 crypto_mech_name_t *entries; 500 size_t size; 501 ulong_t offset; 502 uint_t count; 503 uint_t instance; 504 char *dev_name; 505 uint32_t rv; 506 int error = 0; 507 508 if (copyin(arg, &dev_disabled, sizeof (dev_disabled)) != 0) { 509 error = EFAULT; 510 goto out2; 511 } 512 513 dev_name = dev_disabled.dd_dev_name; 514 /* make sure the device name is null terminated */ 515 if (!null_terminated(dev_name)) { 516 rv = CRYPTO_ARGUMENTS_BAD; 517 goto out; 518 } 519 520 count = dev_disabled.dd_count; 521 instance = dev_disabled.dd_dev_instance; 522 if (count == 0) { 523 /* remove the entry */ 524 if (crypto_load_dev_disabled(dev_name, instance, 0, NULL) != 0) 525 rv = CRYPTO_FAILED; 526 else 527 rv = CRYPTO_SUCCESS; 528 goto out; 529 } 530 531 if (count > KCF_MAXMECHS) { 532 rv = CRYPTO_ARGUMENTS_BAD; 533 goto out; 534 } 535 536 size = count * sizeof (crypto_mech_name_t); 537 entries = kmem_alloc(size, KM_SLEEP); 538 539 offset = offsetof(crypto_load_dev_disabled_t, dd_list); 540 if (copyin(arg + offset, entries, size) != 0) { 541 kmem_free(entries, size); 542 error = EFAULT; 543 goto out2; 544 } 545 546 /* 'entries' consumed (but not freed) by crypto_load_dev_disabled() */ 547 if (crypto_load_dev_disabled(dev_name, instance, count, entries) != 0) { 548 kmem_free(entries, size); 549 rv = CRYPTO_FAILED; 550 goto out; 551 } 552 rv = CRYPTO_SUCCESS; 553 out: 554 dev_disabled.dd_return_value = rv; 555 556 if (copyout(&dev_disabled, arg, sizeof (dev_disabled)) != 0) { 557 error = EFAULT; 558 } 559 out2: 560 if (AU_AUDITING()) 561 audit_cryptoadm(CRYPTO_LOAD_DEV_DISABLED, dev_name, entries, 562 count, instance, rv, error); 563 return (error); 564 } 565 566 /* 567 * This ioctl disables mechanisms supported by the specified 568 * cryptographic module. 569 */ 570 /* ARGSUSED */ 571 static int 572 load_soft_disabled(dev_t dev, caddr_t arg, int mode, int *rval) 573 { 574 crypto_load_soft_disabled_t soft_disabled; 575 crypto_mech_name_t *entries; 576 size_t size; 577 uint_t count; 578 ulong_t offset; 579 char *name; 580 uint32_t rv; 581 int error = 0; 582 583 if (copyin(arg, &soft_disabled, sizeof (soft_disabled)) != 0) { 584 error = EFAULT; 585 goto out2; 586 } 587 588 name = soft_disabled.sd_name; 589 /* make sure the name is null terminated */ 590 if (!null_terminated(name)) { 591 soft_disabled.sd_return_value = CRYPTO_ARGUMENTS_BAD; 592 if (copyout(&soft_disabled, arg, sizeof (soft_disabled)) != 0) { 593 return (EFAULT); 594 } 595 return (0); 596 } 597 598 count = soft_disabled.sd_count; 599 if (count == 0) { 600 /* remove the entry */ 601 if (crypto_load_soft_disabled(name, 0, NULL) != 0) { 602 rv = CRYPTO_FAILED; 603 } else { 604 rv = CRYPTO_SUCCESS; 605 } 606 goto out; 607 } 608 609 if (count > KCF_MAXMECHS) { 610 rv = CRYPTO_ARGUMENTS_BAD; 611 goto out; 612 } 613 614 size = count * sizeof (crypto_mech_name_t); 615 entries = kmem_alloc(size, KM_SLEEP); 616 617 offset = offsetof(crypto_load_soft_disabled_t, sd_list); 618 if (copyin(arg + offset, entries, size) != 0) { 619 kmem_free(entries, size); 620 error = EFAULT; 621 goto out2; 622 } 623 624 /* 'entries' is consumed by crypto_load_soft_disabled() */ 625 if (crypto_load_soft_disabled(name, count, entries) != 0) { 626 kmem_free(entries, size); 627 rv = CRYPTO_FAILED; 628 goto out; 629 } 630 rv = CRYPTO_SUCCESS; 631 out: 632 soft_disabled.sd_return_value = rv; 633 634 if (copyout(&soft_disabled, arg, sizeof (soft_disabled)) != 0) { 635 error = EFAULT; 636 } 637 out2: 638 if (AU_AUDITING()) 639 audit_cryptoadm(CRYPTO_LOAD_SOFT_DISABLED, name, entries, 640 count, 0, rv, error); 641 return (error); 642 } 643 644 /* 645 * This ioctl loads the supported mechanisms of the specfied cryptographic 646 * module. This is so, at boot time, all software providers do not 647 * have to be opened in order to cause them to register their 648 * supported mechanisms. 649 */ 650 /* ARGSUSED */ 651 static int 652 load_soft_config(dev_t dev, caddr_t arg, int mode, int *rval) 653 { 654 crypto_load_soft_config_t soft_config; 655 crypto_mech_name_t *entries; 656 size_t size; 657 uint_t count; 658 ulong_t offset; 659 char *name; 660 uint32_t rv; 661 int error = 0; 662 663 if (copyin(arg, &soft_config, sizeof (soft_config)) != 0) { 664 error = EFAULT; 665 goto out2; 666 } 667 668 name = soft_config.sc_name; 669 /* make sure the name is null terminated */ 670 if (!null_terminated(name)) { 671 soft_config.sc_return_value = CRYPTO_ARGUMENTS_BAD; 672 if (copyout(&soft_config, arg, sizeof (soft_config)) != 0) { 673 return (EFAULT); 674 } 675 return (0); 676 } 677 678 count = soft_config.sc_count; 679 if (count == 0) { 680 if (crypto_load_soft_config(name, 0, NULL) != 0) { 681 rv = CRYPTO_FAILED; 682 } else { 683 rv = CRYPTO_SUCCESS; 684 } 685 goto out; 686 } 687 688 if (count > KCF_MAXMECHS) { 689 rv = CRYPTO_ARGUMENTS_BAD; 690 goto out; 691 } 692 693 size = count * sizeof (crypto_mech_name_t); 694 entries = kmem_alloc(size, KM_SLEEP); 695 696 offset = offsetof(crypto_load_soft_config_t, sc_list); 697 if (copyin(arg + offset, entries, size) != 0) { 698 kmem_free(entries, size); 699 error = EFAULT; 700 goto out2; 701 } 702 703 /* 704 * 'entries' is consumed (but not freed) by 705 * crypto_load_soft_config() 706 */ 707 if (crypto_load_soft_config(name, count, entries) != 0) { 708 kmem_free(entries, size); 709 rv = CRYPTO_FAILED; 710 goto out; 711 } 712 rv = CRYPTO_SUCCESS; 713 out: 714 soft_config.sc_return_value = rv; 715 716 if (copyout(&soft_config, arg, sizeof (soft_config)) != 0) { 717 error = EFAULT; 718 } 719 out2: 720 if (AU_AUDITING()) 721 audit_cryptoadm(CRYPTO_LOAD_SOFT_CONFIG, name, entries, count, 722 0, rv, error); 723 return (error); 724 } 725 726 /* 727 * This ioctl unloads the specfied cryptographic module and removes 728 * its table of supported mechanisms. 729 */ 730 /* ARGSUSED */ 731 static int 732 unload_soft_module(dev_t dev, caddr_t arg, int mode, int *rval) 733 { 734 crypto_unload_soft_module_t unload_soft_module; 735 char *name; 736 uint32_t rv; 737 int error = 0; 738 739 if (copyin(arg, &unload_soft_module, 740 sizeof (unload_soft_module)) != 0) { 741 error = EFAULT; 742 goto out2; 743 } 744 745 name = unload_soft_module.sm_name; 746 /* make sure the name is null terminated */ 747 if (!null_terminated(name)) { 748 unload_soft_module.sm_return_value = CRYPTO_ARGUMENTS_BAD; 749 if (copyout(&unload_soft_module, arg, 750 sizeof (unload_soft_module)) != 0) { 751 return (EFAULT); 752 } 753 return (0); 754 } 755 756 rv = crypto_unload_soft_module(name); 757 out: 758 unload_soft_module.sm_return_value = rv; 759 760 if (copyout(&unload_soft_module, arg, 761 sizeof (unload_soft_module)) != 0) { 762 error = EFAULT; 763 } 764 out2: 765 if (AU_AUDITING()) 766 audit_cryptoadm(CRYPTO_UNLOAD_SOFT_MODULE, name, NULL, 0, 0, 767 rv, error); 768 769 return (error); 770 } 771 772 static int 773 cryptoadm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *c, 774 int *rval) 775 { 776 int error; 777 #define ARG ((caddr_t)arg) 778 779 switch (cmd) { 780 case CRYPTO_LOAD_DEV_DISABLED: 781 case CRYPTO_LOAD_SOFT_DISABLED: 782 case CRYPTO_LOAD_SOFT_CONFIG: 783 case CRYPTO_UNLOAD_SOFT_MODULE: 784 case CRYPTO_LOAD_DOOR: 785 case CRYPTO_FIPS140_SET: 786 if ((error = drv_priv(c)) != 0) 787 return (error); 788 default: 789 break; 790 } 791 792 switch (cmd) { 793 case CRYPTO_GET_DEV_LIST: 794 return (get_dev_list(dev, ARG, mode, rval)); 795 796 case CRYPTO_GET_DEV_INFO: 797 return (get_dev_info(dev, ARG, mode, rval)); 798 799 case CRYPTO_GET_SOFT_LIST: 800 return (get_soft_list(dev, ARG, mode, rval)); 801 802 case CRYPTO_GET_SOFT_INFO: 803 return (get_soft_info(dev, ARG, mode, rval)); 804 805 case CRYPTO_LOAD_DEV_DISABLED: 806 return (load_dev_disabled(dev, ARG, mode, rval)); 807 808 case CRYPTO_LOAD_SOFT_DISABLED: 809 return (load_soft_disabled(dev, ARG, mode, rval)); 810 811 case CRYPTO_LOAD_SOFT_CONFIG: 812 return (load_soft_config(dev, ARG, mode, rval)); 813 814 case CRYPTO_UNLOAD_SOFT_MODULE: 815 return (unload_soft_module(dev, ARG, mode, rval)); 816 } 817 818 return (EINVAL); 819 } 820