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 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * rmf_misc.c : 29 * Miscelleneous routines for rmformat. 30 */ 31 32 #include <sys/types.h> 33 #include <stdio.h> 34 #include <sys/mnttab.h> 35 #include <volmgt.h> 36 #include <sys/dkio.h> 37 #include <sys/fdio.h> 38 #include <sys/vtoc.h> 39 #include <sys/termios.h> 40 #include <sys/mount.h> 41 #include <ctype.h> 42 #include <signal.h> 43 #include <sys/wait.h> 44 #include <dirent.h> 45 #include <priv_utils.h> 46 #include <stdarg.h> 47 #include "rmformat.h" 48 49 /* 50 * Definitions. 51 */ 52 #define SENSE_KEY(rqbuf) (rqbuf[2] & 0xf) /* scsi error category */ 53 #define ASC(rqbuf) (rqbuf[12]) /* additional sense code */ 54 #define ASCQ(rqbuf) (rqbuf[13]) /* ASC qualifier */ 55 56 #define DEFAULT_SCSI_TIMEOUT 60 57 #define INQUIRY_CMD 0x12 58 #define RQBUFLEN 32 59 #define CD_RW 1 /* CD_RW/CD-R */ 60 #define WRITE_10_CMD 0x2A 61 #define READ_INFO_CMD 0x51 62 #define SYNC_CACHE_CMD 0x35 63 #define CLOSE_TRACK_CMD 0x5B 64 #define MODE_SENSE_10_CMD 0x5A 65 #define DEVFS_PREFIX "/devices" 66 67 int uscsi_error; /* used for debugging failed uscsi */ 68 char rqbuf[RQBUFLEN]; 69 static uint_t total_retries; 70 static struct uscsi_cmd uscmd; 71 static char ucdb[16]; 72 uchar_t uscsi_status, rqstatus, rqresid; 73 int total_devices_found = 0; 74 int removable_found = 0; 75 76 extern char *global_intr_msg; 77 extern int vol_running; 78 extern char *dev_name; 79 extern int32_t m_flag; 80 81 /* 82 * ON-private functions from libvolmgt 83 */ 84 int _dev_mounted(char *path); 85 86 /* 87 * Function prototypes. 88 */ 89 static int my_umount(char *mountp); 90 static int my_volrmmount(char *real_name); 91 static int vol_name_to_dev_node(char *vname, char *found); 92 static int vol_lookup(char *supplied, char *found); 93 static device_t *get_device(char *user_supplied, char *node); 94 static char *get_physical_name(char *path); 95 static int lookup_device(char *supplied, char *found); 96 static void fini_device(device_t *dev); 97 static int is_cd(char *node); 98 void *my_zalloc(size_t size); 99 void err_msg(char *fmt, ...); 100 int inquiry(int fd, uchar_t *inq); 101 struct uscsi_cmd *get_uscsi_cmd(void); 102 int uscsi(int fd, struct uscsi_cmd *scmd); 103 int get_mode_page(int fd, int page_no, int pc, int buf_len, 104 uchar_t *buffer); 105 int mode_sense(int fd, uchar_t pc, int dbd, int page_len, 106 uchar_t *buffer); 107 uint16_t read_scsi16(void *addr); 108 int check_device(device_t *dev, int cond); 109 static void get_media_info(device_t *t_dev, char *sdev, 110 char *pname, char *sn); 111 112 extern void process_p_flag(smedia_handle_t handle, int32_t fd); 113 114 void 115 my_perror(char *err_string) 116 { 117 118 int error_no; 119 if (errno == 0) 120 return; 121 122 error_no = errno; 123 (void) fprintf(stderr, "%s", err_string); 124 (void) fprintf(stderr, gettext(" : ")); 125 errno = error_no; 126 perror(""); 127 } 128 129 int32_t 130 get_confirmation() 131 { 132 char c; 133 134 (void) fprintf(stderr, gettext("Do you want to continue? (y/n)")); 135 c = getchar(); 136 if (c == 'y' || c == 'Y') 137 return (1); 138 else if (c == 'n' || c == 'N') 139 return (0); 140 else { 141 (void) fprintf(stderr, gettext("Invalid choice\n")); 142 return (0); 143 } 144 } 145 146 147 void 148 get_passwd(struct smwp_state *wp, int32_t confirm) 149 { 150 char passwd[256], re_passwd[256]; 151 int32_t len; 152 struct termios tio; 153 int32_t echo_off = 0; 154 FILE *in, *out; 155 char *buf; 156 157 158 in = fopen("/dev/tty", "r+"); 159 if (in == NULL) { 160 in = stdin; 161 out = stderr; 162 } else { 163 out = in; 164 } 165 166 /* Turn echoing off if it is on now. */ 167 168 if (tcgetattr(fileno(in), &tio) < 0) { 169 PERROR("Echo off ioctl failed"); 170 exit(1); 171 } 172 if (tio.c_lflag & ECHO) { 173 tio.c_lflag &= ~ECHO; 174 /* echo_off = tcsetattr(fileno(in), TCSAFLUSH, &tio) == 0; */ 175 echo_off = tcsetattr(fileno(in), TCSAFLUSH, &tio) == 0; 176 tio.c_lflag |= ECHO; 177 } 178 179 /* CONSTCOND */ 180 while (1) { 181 (void) fputs( 182 gettext("Please enter password (32 chars maximum):"), 183 out); 184 (void) fflush(out); 185 buf = fgets(passwd, (size_t)256, in); 186 rewind(in); 187 if (buf == NULL) { 188 PERROR("Error reading password"); 189 continue; 190 } 191 len = strlen(passwd); 192 (void) fputc('\n', out); 193 len--; /* To offset the \n */ 194 if ((len <= 0) || (len > 32)) { 195 (void) fprintf(stderr, 196 gettext("Invalid length of password \n")); 197 (void) fputs("Try again\n", out); 198 continue; 199 } 200 201 if (!confirm) 202 break; 203 204 (void) fputs("Please reenter password:", out); 205 (void) fflush(out); 206 buf = fgets(re_passwd, (size_t)256, in); 207 rewind(in); 208 (void) fputc('\n', out); 209 if ((buf == NULL) || strcmp(passwd, re_passwd)) { 210 (void) fputs("passwords did not match\n", out); 211 (void) fputs("Try again\n", out); 212 } else { 213 break; 214 } 215 } 216 wp->sm_passwd_len = len; 217 (void) strncpy(wp->sm_passwd, passwd, wp->sm_passwd_len); 218 wp->sm_version = SMWP_STATE_V_1; 219 220 /* Restore echoing. */ 221 if (echo_off) 222 (void) tcsetattr(fileno(in), TCSAFLUSH, &tio); 223 224 } 225 226 int32_t 227 check_and_unmount_vold(char *device_name, int32_t flag) 228 { 229 char *real_name; 230 char *nm; 231 char tmp_path_name[PATH_MAX]; 232 struct stat stat_buf; 233 int32_t ret_val = 0; 234 struct mnttab *mntp; 235 FILE *fp; 236 int nl; 237 238 DPRINTF1("Device name %s\n", device_name); 239 240 if (volmgt_running() == 0) { 241 DPRINTF("Vold not running\n"); 242 return (0); 243 } 244 if ((nm = volmgt_symname(device_name)) == NULL) { 245 DPRINTF("path not managed\n"); 246 real_name = media_findname(device_name); 247 } else { 248 DPRINTF1("path managed as %s\n", nm); 249 real_name = media_findname(nm); 250 DPRINTF1("real name %s\n", real_name); 251 } 252 253 if (real_name == NULL) 254 return (-1); 255 256 /* 257 * To find out whether the device has been mounted by 258 * volume manager... 259 * 260 * Convert the real name to a block device address. 261 * Do a partial match with the mnttab entries. 262 * Make sure the match is in the beginning to avoid if 263 * anybody puts a label similiar to volume manager path names. 264 * Then use "volrmmount -e <dev_name>" if -U flag is set. 265 */ 266 267 nl = strlen("/vol/dev/"); 268 269 if (strncmp(real_name, "/vol/dev/", nl) != 0) 270 return (0); 271 if (real_name[nl] == 'r') { 272 (void) snprintf(tmp_path_name, PATH_MAX, "%s%s", "/vol/dev/", 273 &real_name[nl + 1]); 274 } else { 275 (void) snprintf(tmp_path_name, PATH_MAX, "%s", real_name); 276 } 277 DPRINTF1("%s \n", tmp_path_name); 278 ret_val = stat(tmp_path_name, &stat_buf); 279 if (ret_val < 0) { 280 PERROR("Could not stat"); 281 return (-1); 282 } 283 284 fp = fopen("/etc/mnttab", "r"); 285 286 if (fp == NULL) { 287 PERROR("Could not open /etc/mnttab"); 288 return (-1); 289 } 290 291 mntp = (struct mnttab *)malloc(sizeof (struct mnttab)); 292 if (mntp == NULL) { 293 PERROR("malloc failed"); 294 (void) fclose(fp); 295 return (-1); 296 } 297 errno = 0; 298 while (getmntent(fp, mntp) == 0) { 299 if (errno != 0) { 300 PERROR("Error with mnttab"); 301 (void) fclose(fp); 302 return (-1); 303 } 304 /* Is it a probable entry? */ 305 DPRINTF1(" %s \n", mntp->mnt_special); 306 if (strstr(mntp->mnt_special, tmp_path_name) != 307 mntp->mnt_special) { 308 /* Skip to next entry */ 309 continue; 310 } else { 311 DPRINTF1("Found!! %s\n", mntp->mnt_special); 312 ret_val = 1; 313 break; 314 } 315 } 316 317 if (ret_val == 1) { 318 if (flag) { 319 if (my_volrmmount(real_name) < 0) { 320 ret_val = -1; 321 } 322 } else { 323 ret_val = -1; 324 } 325 } 326 (void) fclose(fp); 327 free(mntp); 328 return (ret_val); 329 } 330 331 /* 332 * This routine checks if a device has mounted partitions. The 333 * device name is assumed to be /dev/rdsk/cNtNdNsN. So, this can 334 * be used for SCSI and PCMCIA cards. 335 * Returns 336 * 0 : if not mounted 337 * 1 : if successfully unmounted 338 * -1 : Any error or umount failed 339 */ 340 341 int32_t 342 check_and_unmount_scsi(char *device_name, int32_t flag) 343 { 344 345 struct mnttab *mntrefp; 346 struct mnttab *mntp; 347 FILE *fp; 348 char block_dev_name[PATH_MAX]; 349 char tmp_name[PATH_MAX]; 350 int32_t i, j; 351 int32_t unmounted = 0; 352 353 /* 354 * If the device name is not a character special, anyway we 355 * can not progress further 356 */ 357 358 if (strncmp(device_name, "/dev/rdsk/c", strlen("/dev/rdsk/c")) != 0) 359 return (0); 360 361 (void) snprintf(block_dev_name, PATH_MAX, "/dev/%s", 362 &device_name[strlen("/dev/r")]); 363 fp = fopen("/etc/mnttab", "r"); 364 365 if (fp == NULL) { 366 PERROR("Could not open /etc/mnttab"); 367 return (-1); 368 } 369 370 mntrefp = (struct mnttab *)malloc(sizeof (struct mnttab)); 371 if (mntrefp == NULL) { 372 PERROR("malloc failed"); 373 (void) fclose(fp); 374 return (-1); 375 } 376 377 mntp = (struct mnttab *)malloc(sizeof (struct mnttab)); 378 if (mntp == NULL) { 379 PERROR("malloc failed"); 380 (void) fclose(fp); 381 free(mntrefp); 382 return (-1); 383 } 384 385 /* Try all the partitions */ 386 387 (void) snprintf(tmp_name, PATH_MAX, "/dev/%s", 388 &device_name[strlen("/dev/r")]); 389 390 tmp_name[strlen("/dev/dsk/c0t0d0s")] = '\0'; 391 392 errno = 0; 393 while (getmntent(fp, mntp) == 0) { 394 if (errno != 0) { 395 PERROR("Error with mnttab"); 396 (void) fclose(fp); 397 return (-1); 398 } 399 /* Is it a probable entry? */ 400 if (strncmp(mntp->mnt_special, tmp_name, strlen(tmp_name))) { 401 /* Skip to next entry */ 402 continue; 403 } 404 for (i = 0; i < NDKMAP; i++) { 405 /* Check for ufs style mount devices */ 406 (void) snprintf(block_dev_name, PATH_MAX, 407 "%s%d", tmp_name, i); 408 409 if (strcmp(mntp->mnt_special, block_dev_name) == 0) { 410 if (flag) { 411 if (my_umount(mntp->mnt_mountp) < 0) { 412 (void) fclose(fp); 413 return (-1); 414 } 415 unmounted = 1; 416 } else { 417 (void) fclose(fp); 418 return (-1); 419 } 420 /* Skip to next entry */ 421 continue; 422 } 423 424 /* Try for :1 -> :24 for pcfs */ 425 426 for (j = 1; j < 24; j++) { 427 (void) snprintf(block_dev_name, PATH_MAX, 428 "%s%d:%d", tmp_name, i, j); 429 430 if (strcmp(mntp->mnt_special, 431 block_dev_name) == 0) { 432 if (flag) { 433 if (my_umount(mntp->mnt_mountp) 434 < 0) { 435 (void) fclose(fp); 436 return (-1); 437 } 438 unmounted = 1; 439 } else { 440 (void) fclose(fp); 441 return (-1); 442 } 443 /* Skip to next entry */ 444 continue; 445 } 446 (void) snprintf(block_dev_name, PATH_MAX, 447 "%s%d:%c", tmp_name, i, 'b' + j); 448 449 if (strcmp(mntp->mnt_special, 450 block_dev_name) == 0) { 451 if (flag) { 452 if (my_umount(mntp->mnt_mountp) 453 < 0) { 454 (void) fclose(fp); 455 return (-1); 456 } 457 unmounted = 1; 458 } else { 459 (void) fclose(fp); 460 return (-1); 461 } 462 /* Skip to next entry */ 463 continue; 464 } 465 } 466 } 467 468 } 469 470 if (unmounted) 471 return (1); 472 return (0); 473 } 474 475 /* 476 * This routine checks if a device has mounted partitions. The 477 * device name is assumed to be /dev/rdiskette. So, this can 478 * be used for Floppy controllers 479 * Returns 480 * 0 : if not mounted 481 * 1 : if successfully unmounted 482 * -1 : Any error or unmount failed 483 */ 484 485 int32_t 486 check_and_unmount_floppy(int32_t fd, int32_t flag) 487 { 488 FILE *fp = NULL; 489 int32_t mfd; 490 struct dk_cinfo dkinfo, dkinfo_tmp; 491 struct mnttab mnt_record; 492 struct mnttab *mp = &mnt_record; 493 struct stat stbuf; 494 char raw_device[PATH_MAX]; 495 int32_t found = 0; 496 497 498 if (ioctl(fd, DKIOCINFO, &dkinfo) < 0) { 499 return (-1); 500 } 501 502 if ((fp = fopen(MNTTAB, "r")) == NULL) { 503 PERROR("Could not open /etc/mnttab"); 504 (void) close(fd); 505 exit(3); 506 } 507 508 while (getmntent(fp, mp) == 0) { 509 if (strstr(mp->mnt_special, "/dev/fd") == NULL && 510 strstr(mp->mnt_special, "/dev/disket") == NULL && 511 strstr(mp->mnt_special, "/dev/c") == NULL) { 512 continue; 513 } 514 515 (void) strcpy(raw_device, "/dev/r"); 516 (void) strcat(raw_device, mp->mnt_special + strlen("/dev/")); 517 518 519 /* 520 * Attempt to open the device. If it fails, skip it. 521 */ 522 523 /* Turn on the privileges. */ 524 (void) __priv_bracket(PRIV_ON); 525 526 mfd = open(raw_device, O_RDWR | O_NDELAY); 527 528 /* Turn off the privileges. */ 529 (void) __priv_bracket(PRIV_OFF); 530 531 if (mfd < 0) { 532 continue; 533 } 534 535 /* 536 * Must be a character device 537 */ 538 if (fstat(mfd, &stbuf) < 0 || !S_ISCHR(stbuf.st_mode)) { 539 (void) close(mfd); 540 continue; 541 } 542 /* 543 * Attempt to read the configuration info on the disk. 544 */ 545 if (ioctl(mfd, DKIOCINFO, &dkinfo_tmp) < 0) { 546 (void) close(mfd); 547 continue; 548 } 549 /* 550 * Finished with the opened device 551 */ 552 (void) close(mfd); 553 554 /* 555 * If it's not the disk we're interested in, it doesn't apply. 556 */ 557 if (dkinfo.dki_ctype != dkinfo_tmp.dki_ctype || 558 dkinfo.dki_cnum != dkinfo_tmp.dki_cnum || 559 dkinfo.dki_unit != dkinfo_tmp.dki_unit) { 560 continue; 561 } 562 /* 563 * It's a mount on the disk we're checking. If we are 564 * checking whole disk, then we found trouble. We can 565 * quit searching. 566 */ 567 568 if (flag) { 569 if (my_umount(mp->mnt_mountp) < 0) { 570 return (-1); 571 } 572 found = 1; 573 } else { 574 return (-1); 575 } 576 } 577 return (found); 578 } 579 580 581 int32_t 582 my_open(char *device_name, int32_t flags) 583 { 584 char *real_name; 585 char *nm; 586 char tmp_path_name[PATH_MAX]; 587 struct stat stat_buf; 588 int32_t ret_val; 589 int32_t fd; 590 int32_t have_read_priv = 0; 591 DIR *dirp; 592 struct dirent *dp; 593 594 DPRINTF1("Device name %s\n", device_name); 595 596 if ((nm = volmgt_symname(device_name)) == NULL) { 597 DPRINTF("path not managed\n"); 598 real_name = media_findname(device_name); 599 } else { 600 DPRINTF1("path managed as %s\n", nm); 601 real_name = media_findname(nm); 602 DPRINTF1("real name %s\n", real_name); 603 } 604 605 if (real_name == NULL) 606 return (-1); 607 608 (void) strcpy(tmp_path_name, real_name); 609 ret_val = stat(tmp_path_name, &stat_buf); 610 if (ret_val < 0) { 611 PERROR("Could not stat"); 612 return (-1); 613 } 614 if (S_ISDIR(stat_buf.st_mode)) { 615 616 /* 617 * Open the directory and look for the 618 * first non '.' entry. 619 * Since raw_read and raw_writes are used, we don't 620 * need to access the backup slice. 621 * For PCMCIA Memory cards, raw_read and raw_writes are 622 * not supported, but that is not a problem as, only slice2 623 * is allowed on PCMCIA memory cards. 624 */ 625 626 /* 627 * First make sure we are operating with a /vol/.... 628 * Otherwise it can dangerous, 629 * e.g. rmformat -s /dev/rdsk 630 * We should not look into the directory contents here. 631 */ 632 if (strncmp(tmp_path_name, "/vol/dev/", strlen("/vol/dev/")) 633 != 0) { 634 (void) fprintf(stderr, gettext("The specified device \ 635 is not a raw device.\n")); 636 exit(1); 637 } 638 639 /* Turn on the privileges. */ 640 (void) __priv_bracket(PRIV_ON); 641 642 dirp = opendir(tmp_path_name); 643 644 /* Turn off the privileges. */ 645 (void) __priv_bracket(PRIV_OFF); 646 647 if (dirp == NULL) { 648 return (-1); 649 } 650 651 /* Turn on the privileges. */ 652 (void) __priv_bracket(PRIV_ON); 653 have_read_priv = 1; 654 655 while ((dp = readdir(dirp)) != NULL) { 656 657 /* Turn off the privileges. */ 658 (void) __priv_bracket(PRIV_OFF); 659 have_read_priv = 0; 660 661 DPRINTF1("Found %s\n", dp->d_name); 662 if ((strcmp(dp->d_name, ".") != 0) && 663 (strcmp(dp->d_name, "..") != 0)) { 664 (void) snprintf(tmp_path_name, PATH_MAX, 665 "%s/%s", tmp_path_name, dp->d_name); 666 667 DPRINTF1("tmp_pathname is %s\n", tmp_path_name); 668 break; 669 } 670 671 /* Turn on the privileges. */ 672 (void) __priv_bracket(PRIV_ON); 673 have_read_priv = 1; 674 } 675 676 if (have_read_priv) { 677 /* drop the file_dac_read privilege */ 678 (void) __priv_bracket(PRIV_OFF); 679 have_read_priv = 0; 680 } 681 682 (void) closedir(dirp); 683 } 684 685 686 if (volmgt_running() == 0) { 687 /* Turn on privileges. */ 688 (void) __priv_bracket(PRIV_ON); 689 have_read_priv = 1; 690 } 691 692 fd = open(tmp_path_name, flags); 693 694 if (have_read_priv) { 695 /* Turn off privileges. */ 696 (void) __priv_bracket(PRIV_OFF); 697 have_read_priv = 0; 698 } 699 700 DPRINTF1("path opened %s\n", tmp_path_name); 701 702 return (fd); 703 } 704 705 uint64_t 706 my_atoll(char *ptr) 707 { 708 char *tmp_ptr = ptr; 709 int32_t base = 10; 710 uint64_t ret_val; 711 712 while (*tmp_ptr) { 713 if (isdigit(*tmp_ptr)) 714 tmp_ptr++; 715 else { 716 base = 16; 717 break; 718 } 719 } 720 tmp_ptr = ptr; 721 if (base == 16) { 722 if (strlen(tmp_ptr) < 3) { 723 return (-1); 724 } 725 if (*tmp_ptr++ != '0' || (*tmp_ptr != 'x' && *tmp_ptr != 'X')) { 726 return (-1); 727 } 728 tmp_ptr++; 729 while (*tmp_ptr) { 730 if (isxdigit(*tmp_ptr)) 731 tmp_ptr++; 732 else { 733 return (-1); 734 } 735 } 736 } 737 ret_val = (uint64_t)strtoull(ptr, (char **)NULL, 0); 738 return (ret_val); 739 } 740 741 int32_t 742 write_sunos_label(int32_t fd, int32_t media_type) 743 { 744 745 struct extvtoc v_toc; 746 int32_t ret; 747 748 (void) memset(&v_toc, 0, sizeof (struct extvtoc)); 749 750 /* Initialize the vtoc information */ 751 752 if (media_type == SM_FLOPPY) { 753 struct fd_char fdchar; 754 int32_t mult_factor; 755 756 if (ioctl(fd, FDIOGCHAR, &fdchar) < 0) { 757 PERROR("FDIOGCHAR failed"); 758 return (-1); 759 } 760 761 /* SPARC and x86 fd drivers use fdc_medium differently */ 762 #if defined(__sparc) 763 mult_factor = (fdchar.fdc_medium) ? 2 : 1; 764 #elif defined(__x86) 765 mult_factor = (fdchar.fdc_medium == 5) ? 2 : 1; 766 #else 767 #error No Platform defined 768 #endif /* defined(__sparc) */ 769 770 /* initialize the vtoc structure */ 771 v_toc.v_nparts = 3; 772 773 v_toc.v_part[0].p_start = 0; 774 v_toc.v_part[0].p_size = (fdchar.fdc_ncyl - 1) * 2 * 775 fdchar.fdc_secptrack * mult_factor; 776 v_toc.v_part[1].p_start = (fdchar.fdc_ncyl - 1) * 2 * 777 fdchar.fdc_secptrack * mult_factor; 778 v_toc.v_part[1].p_size = 2 * fdchar.fdc_secptrack * mult_factor; 779 780 v_toc.v_part[2].p_start = 0; 781 v_toc.v_part[2].p_size = fdchar.fdc_ncyl * 2 * 782 fdchar.fdc_secptrack * mult_factor; 783 784 } else if (media_type == SM_SCSI_FLOPPY) { 785 786 smedia_handle_t handle; 787 smmedium_prop_t med_info; 788 struct dk_geom dkgeom; 789 790 791 /* 792 * call smedia_get_medium_property to get the 793 * correct media information, since DKIOCGMEDIAINFO 794 * may fail for unformatted media. 795 */ 796 797 handle = smedia_get_handle(fd); 798 if (handle == NULL) { 799 (void) fprintf(stderr, 800 gettext("Failed to get libsmedia handle.\n")); 801 802 (void) close(fd); 803 return (-1); 804 } 805 806 807 if (smedia_get_medium_property(handle, &med_info) < 0) { 808 (void) fprintf(stderr, 809 gettext("Get medium property failed \n")); 810 811 (void) smedia_release_handle(handle); 812 (void) close(fd); 813 return (-1); 814 } 815 816 /* Fill in our own geometry information */ 817 818 dkgeom.dkg_pcyl = med_info.sm_pcyl; 819 dkgeom.dkg_ncyl = med_info.sm_pcyl; 820 dkgeom.dkg_nhead = med_info.sm_nhead; 821 dkgeom.dkg_nsect = med_info.sm_nsect; 822 dkgeom.dkg_acyl = 0; 823 dkgeom.dkg_bcyl = 0; 824 dkgeom.dkg_intrlv = 0; 825 dkgeom.dkg_apc = 0; 826 827 /* 828 * Try to set vtoc, if not successful we will 829 * continue to use the faked geometry information. 830 */ 831 832 (void) ioctl(fd, DKIOCSGEOM, &dkgeom); 833 834 (void) smedia_release_handle(handle); 835 836 /* we want the same partitioning as used for normal floppies */ 837 838 v_toc.v_part[0].p_start = 0; 839 v_toc.v_part[0].p_size = (diskaddr_t)(dkgeom.dkg_ncyl - 1) * 840 dkgeom.dkg_nhead * dkgeom.dkg_nsect; 841 842 v_toc.v_part[1].p_start = (diskaddr_t)(dkgeom.dkg_ncyl - 1) * 843 dkgeom.dkg_nhead * dkgeom.dkg_nsect; 844 v_toc.v_part[1].p_size = dkgeom.dkg_nhead * dkgeom.dkg_nsect; 845 846 v_toc.v_part[2].p_start = 0; 847 v_toc.v_part[2].p_size = (diskaddr_t)dkgeom.dkg_ncyl * 848 dkgeom.dkg_nhead * dkgeom.dkg_nsect; 849 850 /* both write_vtoc and DKIOCSVTOC require V_NUMPAR partitions */ 851 v_toc.v_nparts = V_NUMPAR; 852 853 } else { 854 855 return (0); 856 } 857 858 v_toc.v_sanity = VTOC_SANE; 859 v_toc.v_version = V_VERSION; 860 861 /* 862 * The label structure is set up for DEV_BSIZE(512 byte) blocks, 863 * even though a medium density diskette has 1024 byte blocks 864 * See dklabel.h for more details. 865 */ 866 v_toc.v_sectorsz = DEV_BSIZE; 867 868 /* let the fd driver finish constructing the label and writing it. */ 869 870 871 /* Turn on the privileges. */ 872 (void) __priv_bracket(PRIV_ON); 873 874 ret = write_extvtoc(fd, &v_toc); 875 876 /* Turn off the privileges. */ 877 (void) __priv_bracket(PRIV_OFF); 878 879 if (ret < 0) { 880 PERROR("Write vtoc"); 881 DPRINTF1("Write vtoc failed errno:%d\n", errno); 882 return (-1); 883 } 884 885 return (0); 886 } 887 888 static void 889 intr_sig_handler() 890 { 891 char c; 892 893 (void) fprintf(stderr, gettext(global_intr_msg)); 894 (void) fprintf(stderr, 895 gettext("\nDo you want to stop formatting?(y/n)")); 896 (void) fflush(stdout); 897 rewind(stdin); 898 while ((c = getchar()) == -1) 899 ; 900 if (c == 'y' || c == 'Y') { 901 (void) fprintf(stderr, gettext("Format interrupted\n")); 902 exit(1); 903 } else if (c == 'n' || c == 'N') 904 return; 905 else { 906 (void) fprintf(stderr, gettext("Did not interrupt\n")); 907 return; 908 } 909 } 910 911 static struct sigaction act, oact; 912 void 913 trap_SIGINT() 914 { 915 916 act.sa_handler = intr_sig_handler; 917 (void) memset(&act.sa_mask, 0, sizeof (sigset_t)); 918 act.sa_flags = SA_RESTART; /* | SA_NODEFER; */ 919 if (sigaction(SIGINT, &act, &oact) < 0) { 920 DPRINTF("sigset failed\n"); 921 return; 922 } 923 } 924 925 void 926 release_SIGINT() 927 { 928 if (sigaction(SIGINT, &oact, (struct sigaction *)NULL) < 0) { 929 DPRINTF("sigunset failed\n"); 930 return; 931 } 932 } 933 934 int32_t 935 verify(smedia_handle_t handle, int32_t fd, diskaddr_t start_sector, 936 uint32_t nblocks, char *buf, 937 int32_t flag, int32_t blocksize, int32_t no_raw_rw) 938 { 939 uint64_t ret; 940 941 DPRINTF("ANALYSE MEDIA \n"); 942 943 944 if ((flag == VERIFY_READ) && (!no_raw_rw)) { 945 946 /* Turn on the privileges. */ 947 (void) __priv_bracket(PRIV_ON); 948 949 ret = smedia_raw_read(handle, start_sector, buf, nblocks * 950 blocksize); 951 952 /* Turn off the privileges. */ 953 (void) __priv_bracket(PRIV_OFF); 954 955 if (ret != (nblocks * blocksize)) 956 return (-1); 957 return (0); 958 959 } else if ((flag == VERIFY_WRITE) && (!no_raw_rw)) { 960 961 /* Turn on privileges. */ 962 (void) __priv_bracket(PRIV_ON); 963 964 ret = smedia_raw_write(handle, start_sector, buf, nblocks * 965 blocksize); 966 967 /* Turn off the privileges. */ 968 (void) __priv_bracket(PRIV_OFF); 969 970 if (ret != (blocksize * nblocks)) 971 return (-1); 972 return (0); 973 974 } else if ((flag == VERIFY_READ) && (no_raw_rw)) { 975 ret = llseek(fd, start_sector * blocksize, SEEK_SET); 976 if (ret != start_sector * blocksize) { 977 (void) fprintf(stderr, gettext("Seek failed\n")); 978 return (-2); 979 } 980 981 /* Turn on the privileges. */ 982 (void) __priv_bracket(PRIV_ON); 983 984 ret = read(fd, buf, nblocks * blocksize); 985 986 /* Turn off the privileges. */ 987 (void) __priv_bracket(PRIV_OFF); 988 989 if (ret != nblocks * blocksize) { 990 return (-1); 991 } 992 return (0); 993 } else if ((flag == VERIFY_WRITE) && (no_raw_rw)) { 994 ret = llseek(fd, start_sector * blocksize, SEEK_SET); 995 if (ret != start_sector * blocksize) { 996 (void) fprintf(stderr, gettext("Seek failed\n")); 997 return (-2); 998 } 999 1000 /* Turn on the privileges. */ 1001 (void) __priv_bracket(PRIV_ON); 1002 1003 ret = write(fd, buf, nblocks * blocksize); 1004 1005 /* Turn off the privileges. */ 1006 (void) __priv_bracket(PRIV_OFF); 1007 1008 if (ret != nblocks * blocksize) { 1009 return (-1); 1010 } 1011 return (0); 1012 } else { 1013 DPRINTF("Illegal parameter to verify_analysis!\n"); 1014 return (-1); 1015 } 1016 } 1017 1018 static int 1019 my_umount(char *mountp) 1020 { 1021 pid_t pid; /* forked proc's pid */ 1022 int rval; /* proc's return value */ 1023 1024 1025 /* create a child to unmount the path */ 1026 1027 /* Turn on the privileges */ 1028 (void) __priv_bracket(PRIV_ON); 1029 1030 pid = fork(); 1031 1032 /* Turn off the privileges. */ 1033 (void) __priv_bracket(PRIV_OFF); 1034 1035 if (pid < 0) { 1036 PERROR("fork failed"); 1037 exit(0); 1038 } 1039 1040 if (pid == 0) { 1041 /* the child */ 1042 /* get rid of those nasty err messages */ 1043 DPRINTF1("call_unmount_prog: calling %s \n", mountp); 1044 1045 /* Turn on the priviliges. */ 1046 (void) __priv_bracket(PRIV_ON); 1047 1048 if (execl("/usr/sbin/umount", "/usr/sbin/umount", mountp, 1049 NULL) < 0) { 1050 perror("exec failed"); 1051 /* Turn off the privileges */ 1052 (void) __priv_bracket(PRIV_OFF); 1053 exit(-1); 1054 } 1055 } 1056 1057 /* wait for the umount command to exit */ 1058 rval = 0; 1059 if (waitpid(pid, &rval, 0) == pid) { 1060 if (WIFEXITED(rval)) { 1061 if (WEXITSTATUS(rval) == 0) { 1062 DPRINTF("umount : Success\n"); 1063 return (1); 1064 } 1065 } 1066 } 1067 return (-1); 1068 } 1069 1070 static int 1071 my_volrmmount(char *real_name) 1072 { 1073 int pid, rval; 1074 1075 /* Turn on the privileges. */ 1076 (void) __priv_bracket(PRIV_ON); 1077 1078 pid = fork(); 1079 1080 /* Turn off the privileges. */ 1081 (void) __priv_bracket(PRIV_OFF); 1082 1083 /* create a child to unmount the path */ 1084 if (pid < 0) { 1085 PERROR("fork failed"); 1086 exit(0); 1087 } 1088 1089 if (pid == 0) { 1090 /* the child */ 1091 /* get rid of those nasty err messages */ 1092 DPRINTF1("call_unmount_prog: calling %s \n", 1093 "/usr/bin/volrmmount"); 1094 1095 /* Turn on the privileges. */ 1096 (void) __priv_bracket(PRIV_ON); 1097 if (execl("/usr/bin/volrmmount", "/usr/bin/volrmmount", "-e", 1098 real_name, NULL) < 0) { 1099 PERROR("volrmmount exec failed"); 1100 /* Turn off the privileges */ 1101 (void) __priv_bracket(PRIV_OFF); 1102 exit(-1); 1103 } 1104 } else if (waitpid(pid, &rval, 0) == pid) { 1105 if (WIFEXITED(rval)) { 1106 if (WEXITSTATUS(rval) == 0) { 1107 DPRINTF("volrmmount: Success\n"); 1108 return (1); 1109 } 1110 } 1111 } 1112 return (-1); 1113 } 1114 1115 int 1116 find_device(int defer, char *tmpstr) 1117 { 1118 DIR *dir; 1119 struct dirent *dirent; 1120 char sdev[PATH_MAX], dev[PATH_MAX], *pname; 1121 device_t *t_dev; 1122 int removable = 0; 1123 int device_type = 0; 1124 int hotpluggable = 0; 1125 struct dk_minfo mediainfo; 1126 static int found = 0; 1127 1128 dir = opendir("/dev/rdsk"); 1129 if (dir == NULL) 1130 return (-1); 1131 1132 total_devices_found = 0; 1133 while ((dirent = readdir(dir)) != NULL) { 1134 if (dirent->d_name[0] == '.') { 1135 continue; 1136 } 1137 (void) snprintf(sdev, PATH_MAX, "/dev/rdsk/%s", 1138 dirent->d_name); 1139 #ifdef sparc 1140 if (!strstr(sdev, "s2")) { 1141 continue; 1142 } 1143 #else /* x86 */ 1144 if (vol_running) { 1145 if (!(strstr(sdev, "s2") || strstr(sdev, "p0"))) { 1146 continue; 1147 } 1148 } else { 1149 if (!strstr(sdev, "p0")) { 1150 continue; 1151 } 1152 } 1153 #endif 1154 if (!lookup_device(sdev, dev)) { 1155 continue; 1156 } 1157 if ((t_dev = get_device(NULL, dev)) == NULL) { 1158 continue; 1159 } 1160 total_devices_found++; 1161 1162 if ((!defer) && !found) { 1163 char *sn, *tmpbuf; 1164 /* 1165 * dev_name is an optional command line input. 1166 */ 1167 if (dev_name) { 1168 if (strstr(dirent->d_name, tmpstr)) { 1169 found = 1; 1170 } else if (!vol_running) { 1171 continue; 1172 } 1173 } 1174 /* 1175 * volmgt_symname() returns NULL if the device 1176 * is not managed by volmgt. 1177 */ 1178 sn = volmgt_symname(sdev); 1179 1180 if (vol_running && (sn != NULL)) { 1181 if (strstr(sn, "dev") == NULL) { 1182 tmpbuf = (char *)my_zalloc(PATH_MAX); 1183 (void) strcpy(tmpbuf, 1184 "/vol/dev/aliases/"); 1185 (void) strcat(tmpbuf, sn); 1186 free(sn); 1187 sn = tmpbuf; 1188 } 1189 if (dev_name && !found) { 1190 if (!strstr(tmpbuf, tmpstr)) { 1191 continue; 1192 } else { 1193 found = 1; 1194 } 1195 } 1196 } 1197 1198 /* 1199 * Get device type information for CD/DVD devices. 1200 */ 1201 if (is_cd(dev)) { 1202 if (check_device(t_dev, 1203 CHECK_DEVICE_IS_DVD_WRITABLE)) { 1204 device_type = DK_DVDR; 1205 } else if (check_device(t_dev, 1206 CHECK_DEVICE_IS_DVD_READABLE)) { 1207 device_type = DK_DVDROM; 1208 } else if (check_device(t_dev, 1209 CHECK_DEVICE_IS_CD_WRITABLE)) { 1210 device_type = DK_CDR; 1211 } else { 1212 device_type = DK_CDROM; 1213 } 1214 } else { 1215 device_type = ioctl(t_dev->d_fd, 1216 DKIOCGMEDIAINFO, &mediainfo); 1217 if (device_type < 0) 1218 device_type = 0; 1219 else 1220 device_type = mediainfo.dki_media_type; 1221 } 1222 1223 if (!ioctl(t_dev->d_fd, DKIOCREMOVABLE, &removable) && 1224 !ioctl(t_dev->d_fd, DKIOCHOTPLUGGABLE, 1225 &hotpluggable)) { 1226 if (removable || hotpluggable) { 1227 removable_found++; 1228 pname = get_physical_name(sdev); 1229 if (sn) { 1230 (void) printf(" %4d. " 1231 "Volmgt Node: %s\n", 1232 removable_found, sn); 1233 (void) printf(" " 1234 "Logical Node: %s\n", sdev); 1235 (void) printf(" " 1236 "Physical Node: %s\n", 1237 pname); 1238 } else { 1239 (void) printf(" %4d. " 1240 "Logical Node: %s\n", 1241 removable_found, sdev); 1242 (void) printf(" " 1243 "Physical Node: %s\n", 1244 pname); 1245 } 1246 (void) printf(" Connected " 1247 "Device: %-8.8s %-16.16s " 1248 "%-4.4s\n", 1249 &t_dev->d_inq[8], 1250 &t_dev->d_inq[16], 1251 &t_dev->d_inq[32]); 1252 (void) printf(" Device " 1253 "Type: "); 1254 } else 1255 continue; 1256 } else 1257 continue; 1258 1259 switch (device_type) { 1260 case DK_CDROM: 1261 (void) printf("CD Reader\n"); 1262 break; 1263 case DK_CDR: 1264 case DK_CDRW: 1265 (void) printf("CD Reader/Writer\n"); 1266 break; 1267 case DK_DVDROM: 1268 (void) printf("DVD Reader\n"); 1269 break; 1270 case DK_DVDR: 1271 case DK_DVDRAM: 1272 (void) printf("DVD Reader/Writer\n"); 1273 break; 1274 case DK_FIXED_DISK: 1275 if (strstr((const char *) 1276 &t_dev->d_inq[16], "FD") || 1277 strstr((const char *) 1278 &t_dev->d_inq[16], "LS-120")) 1279 (void) printf("Floppy " 1280 "drive\n"); 1281 else 1282 (void) printf("Removable\n"); 1283 break; 1284 case DK_FLOPPY: 1285 (void) printf("Floppy drive\n"); 1286 break; 1287 case DK_ZIP: 1288 (void) printf("Zip drive\n"); 1289 break; 1290 case DK_JAZ: 1291 (void) printf("Jaz drive\n"); 1292 break; 1293 default: 1294 (void) printf("<Unknown>\n"); 1295 DPRINTF1("\t %d\n", device_type); 1296 break; 1297 } 1298 get_media_info(t_dev, sdev, pname, sn); 1299 } 1300 fini_device(t_dev); 1301 } 1302 1303 (void) closedir(dir); 1304 return (removable_found); 1305 } 1306 1307 /* 1308 * Returns a device_t handle for a node returned by lookup_device() 1309 * and takes the user supplied name and stores it inside the node. 1310 */ 1311 static device_t * 1312 get_device(char *user_supplied, char *node) 1313 { 1314 device_t *dev; 1315 int fd; 1316 char devnode[PATH_MAX]; 1317 int size; 1318 1319 /* 1320 * we need to resolve any link paths to avoid fake files 1321 * such as /dev/rdsk/../../export/file. 1322 */ 1323 size = resolvepath(node, devnode, PATH_MAX); 1324 if ((size <= 0) || (size >= (PATH_MAX - 1))) 1325 return (NULL); 1326 1327 /* resolvepath may not return a null terminated string */ 1328 devnode[size] = '\0'; 1329 1330 1331 /* the device node must be in /devices/ or /vol/dev/rdsk */ 1332 1333 if ((strncmp(devnode, "/devices/", 9) != 0) && 1334 (strncmp(devnode, "/vol/dev/rdsk", 13) != 0)) 1335 return (NULL); 1336 1337 /* Turn on the privileges. */ 1338 (void) __priv_bracket(PRIV_ON); 1339 1340 /* 1341 * Since we are currently running with the user euid it is 1342 * safe to try to open the file without checking access. 1343 */ 1344 1345 fd = open(devnode, O_RDONLY|O_NDELAY); 1346 1347 /* Turn off the privileges. */ 1348 (void) __priv_bracket(PRIV_OFF); 1349 1350 if (fd < 0) { 1351 return (NULL); 1352 } 1353 1354 dev = (device_t *)my_zalloc(sizeof (device_t)); 1355 1356 dev->d_node = (char *)my_zalloc(strlen(devnode) + 1); 1357 (void) strcpy(dev->d_node, devnode); 1358 1359 dev->d_fd = fd; 1360 1361 dev->d_inq = (uchar_t *)my_zalloc(INQUIRY_DATA_LENGTH); 1362 1363 /* Turn on privileges. */ 1364 (void) __priv_bracket(PRIV_ON); 1365 if (!inquiry(fd, dev->d_inq)) { 1366 DPRINTF1("USCSI ioctl failed %d\n", 1367 uscsi_error); 1368 free(dev->d_inq); 1369 free(dev->d_node); 1370 (void) close(dev->d_fd); 1371 free(dev); 1372 /* Turn off privileges. */ 1373 (void) __priv_bracket(PRIV_OFF); 1374 return (NULL); 1375 } 1376 /* Turn off privileges. */ 1377 (void) __priv_bracket(PRIV_OFF); 1378 1379 if (user_supplied) { 1380 dev->d_name = (char *)my_zalloc(strlen(user_supplied) + 1); 1381 (void) strcpy(dev->d_name, user_supplied); 1382 } 1383 return (dev); 1384 } 1385 1386 /* 1387 * Check for device specific characteristics. 1388 */ 1389 int 1390 check_device(device_t *dev, int cond) 1391 { 1392 uchar_t page_code[4]; 1393 1394 /* Look at the capabilities page for this information */ 1395 if (cond & CHECK_DEVICE_IS_CD_WRITABLE) { 1396 if (get_mode_page(dev->d_fd, 0x2a, 0, 4, page_code) && 1397 (page_code[3] & 1)) { 1398 return (1); 1399 } 1400 } 1401 1402 if (cond & CHECK_DEVICE_IS_DVD_WRITABLE) { 1403 if (get_mode_page(dev->d_fd, 0x2a, 0, 4, page_code) && 1404 (page_code[3] & 0x10)) { 1405 return (1); 1406 } 1407 } 1408 1409 if (cond & CHECK_DEVICE_IS_DVD_READABLE) { 1410 if (get_mode_page(dev->d_fd, 0x2a, 0, 4, page_code) && 1411 (page_code[2] & 0x8)) { 1412 return (1); 1413 } 1414 } 1415 1416 return (0); 1417 } 1418 1419 /* 1420 * Builds an open()able device path from a user supplied node which can be 1421 * of the * form of /dev/[r]dsk/cxtxdx[sx] or cxtxdx[sx] or volmgt-name like 1422 * cdrom[n]. 1423 * Returns the path found in 'found' and returns 1. Otherwise returns 0. 1424 */ 1425 int 1426 lookup_device(char *supplied, char *found) 1427 { 1428 struct stat statbuf; 1429 int fd; 1430 char tmpstr[PATH_MAX]; 1431 1432 /* Turn on privileges */ 1433 (void) __priv_bracket(PRIV_ON); 1434 1435 /* If everything is fine and proper, no need to analyze */ 1436 if ((stat(supplied, &statbuf) == 0) && S_ISCHR(statbuf.st_mode) && 1437 ((fd = open(supplied, O_RDONLY|O_NDELAY)) >= 0)) { 1438 (void) close(fd); 1439 (void) strlcpy(found, supplied, PATH_MAX); 1440 /* Turn off privilege */ 1441 (void) __priv_bracket(PRIV_OFF); 1442 return (1); 1443 } 1444 1445 /* Turn off privileges. */ 1446 (void) __priv_bracket(PRIV_OFF); 1447 1448 if (strncmp(supplied, "/dev/rdsk/", 10) == 0) 1449 return (vol_lookup(supplied, found)); 1450 if (strncmp(supplied, "/dev/dsk/", 9) == 0) { 1451 (void) snprintf(tmpstr, PATH_MAX, "/dev/rdsk/%s", 1452 (char *)strrchr(supplied, '/')); 1453 1454 if ((fd = open(tmpstr, O_RDONLY|O_NDELAY)) >= 0) { 1455 (void) close(fd); 1456 (void) strlcpy(found, supplied, PATH_MAX); 1457 return (1); 1458 } 1459 if ((access(tmpstr, F_OK) == 0) && vol_running) 1460 return (vol_lookup(tmpstr, found)); 1461 else 1462 return (0); 1463 } 1464 if ((strncmp(supplied, "cdrom", 5) != 0) && 1465 (strlen(supplied) < 32)) { 1466 (void) snprintf(tmpstr, sizeof (tmpstr), "/dev/rdsk/%s", 1467 supplied); 1468 if (access(tmpstr, F_OK) < 0) { 1469 (void) strcat(tmpstr, "s2"); 1470 } 1471 if ((fd = open(tmpstr, O_RDONLY|O_NDELAY)) >= 0) { 1472 (void) close(fd); 1473 (void) strlcpy(found, tmpstr, PATH_MAX); 1474 return (1); 1475 } 1476 if ((access(tmpstr, F_OK) == 0) && vol_running) 1477 return (vol_lookup(tmpstr, found)); 1478 } 1479 return (vol_name_to_dev_node(supplied, found)); 1480 } 1481 1482 int 1483 is_cd(char *node) 1484 { 1485 int fd; 1486 struct dk_cinfo cinfo; 1487 1488 fd = open(node, O_RDONLY|O_NDELAY); 1489 if (fd < 0) 1490 return (0); 1491 if (ioctl(fd, DKIOCINFO, &cinfo) < 0) { 1492 (void) close(fd); 1493 return (0); 1494 } 1495 if (cinfo.dki_ctype != DKC_CDROM) 1496 return (0); 1497 return (1); 1498 } 1499 1500 void 1501 print_header(void) 1502 { 1503 /* l10n_NOTE : Column spacing should be kept same */ 1504 (void) printf(gettext(" Node " 1505 "Connected Device")); 1506 /* l10n_NOTE : Column spacing should be kept same */ 1507 (void) printf(gettext(" Device type\n")); 1508 (void) printf( 1509 "---------------------------+---------------------------"); 1510 (void) printf("-----+----------------\n"); 1511 } 1512 1513 void 1514 print_divider(void) 1515 { 1516 (void) printf( 1517 "---------------------------+---------------------------"); 1518 (void) printf("-----+----------------\n"); 1519 } 1520 1521 static void 1522 fini_device(device_t *dev) 1523 { 1524 free(dev->d_inq); 1525 free(dev->d_node); 1526 (void) close(dev->d_fd); 1527 if (dev->d_name) 1528 free(dev->d_name); 1529 free(dev); 1530 } 1531 1532 void * 1533 my_zalloc(size_t size) 1534 { 1535 void *ret; 1536 1537 ret = malloc(size); 1538 if (ret == NULL) { 1539 1540 /* Lets wait a sec. and try again */ 1541 if (errno == EAGAIN) { 1542 (void) sleep(1); 1543 ret = malloc(size); 1544 } 1545 1546 if (ret == NULL) { 1547 (void) err_msg("%s\n", gettext(strerror(errno))); 1548 (void) err_msg(gettext( 1549 "Memory allocation failure, Exiting...\n")); 1550 exit(1); 1551 } 1552 } 1553 (void) memset(ret, 0, size); 1554 return (ret); 1555 } 1556 1557 static int 1558 vol_name_to_dev_node(char *vname, char *found) 1559 { 1560 struct stat statbuf; 1561 char *p1; 1562 int i; 1563 1564 if (vname == NULL) 1565 return (0); 1566 if (vol_running) 1567 (void) volmgt_check(vname); 1568 p1 = media_findname(vname); 1569 if (p1 == NULL) 1570 return (0); 1571 if (stat(p1, &statbuf) < 0) { 1572 free(p1); 1573 return (0); 1574 } 1575 if (S_ISDIR(statbuf.st_mode)) { 1576 for (i = 0; i < 16; i++) { 1577 (void) snprintf(found, PATH_MAX, "%s/s%d", p1, i); 1578 if (access(found, F_OK) >= 0) 1579 break; 1580 } 1581 if (i == 16) { 1582 free(p1); 1583 return (0); 1584 } 1585 } else { 1586 (void) strlcpy(found, p1, PATH_MAX); 1587 } 1588 free(p1); 1589 return (1); 1590 } 1591 1592 /* 1593 * Searches for volume manager's equivalent char device for the 1594 * supplied pathname which is of the form of /dev/rdsk/cxtxdxsx 1595 */ 1596 static int 1597 vol_lookup(char *supplied, char *found) 1598 { 1599 char tmpstr[PATH_MAX], tmpstr1[PATH_MAX], *p; 1600 int i, ret; 1601 1602 (void) strlcpy(tmpstr, supplied, PATH_MAX); 1603 if ((p = volmgt_symname(tmpstr)) == NULL) { 1604 if (strstr(tmpstr, "s2") != NULL) { 1605 *((char *)(strrchr(tmpstr, 's') + 1)) = 0; 1606 for (i = 0; i < 16; i++) { 1607 (void) snprintf(tmpstr1, PATH_MAX, "%s%d", 1608 tmpstr, i); 1609 if ((p = volmgt_symname(tmpstr1)) != NULL) 1610 break; 1611 } 1612 } else if (strstr(tmpstr, "p0") != NULL) { 1613 *((char *)(strrchr(tmpstr, 'p') + 1)) = 0; 1614 for (i = 0; i < 5; i++) { 1615 (void) snprintf(tmpstr1, PATH_MAX, "%s%d", 1616 tmpstr, i); 1617 if ((p = volmgt_symname(tmpstr1)) != NULL) 1618 break; 1619 } 1620 } else 1621 return (0); 1622 if (p == NULL) 1623 return (0); 1624 } 1625 1626 ret = vol_name_to_dev_node(p, found); 1627 free(p); 1628 return (ret); 1629 } 1630 1631 /*PRINTFLIKE1*/ 1632 void 1633 err_msg(char *fmt, ...) 1634 { 1635 va_list ap; 1636 1637 va_start(ap, fmt); 1638 (void) vfprintf(stderr, fmt, ap); 1639 va_end(ap); 1640 } 1641 1642 int 1643 inquiry(int fd, uchar_t *inq) 1644 { 1645 struct uscsi_cmd *scmd; 1646 1647 scmd = get_uscsi_cmd(); 1648 scmd->uscsi_flags = USCSI_READ|USCSI_SILENT; 1649 scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT; 1650 scmd->uscsi_cdb[0] = INQUIRY_CMD; 1651 scmd->uscsi_cdb[4] = INQUIRY_DATA_LENGTH; 1652 scmd->uscsi_cdblen = 6; 1653 scmd->uscsi_bufaddr = (char *)inq; 1654 scmd->uscsi_buflen = INQUIRY_DATA_LENGTH; 1655 if ((uscsi_error = uscsi(fd, scmd)) < 0) 1656 return (0); 1657 return (1); 1658 } 1659 1660 struct uscsi_cmd * 1661 get_uscsi_cmd(void) 1662 { 1663 (void) memset(&uscmd, 0, sizeof (uscmd)); 1664 (void) memset(ucdb, 0, 16); 1665 uscmd.uscsi_cdb = ucdb; 1666 return (&uscmd); 1667 } 1668 1669 int 1670 uscsi(int fd, struct uscsi_cmd *scmd) 1671 { 1672 int ret, global_rqsense; 1673 int retries, max_retries = 5; 1674 int i; 1675 1676 /* set up for request sense extensions */ 1677 if (!(scmd->uscsi_flags & USCSI_RQENABLE)) { 1678 scmd->uscsi_flags |= USCSI_RQENABLE; 1679 scmd->uscsi_rqlen = RQBUFLEN; 1680 scmd->uscsi_rqbuf = rqbuf; 1681 global_rqsense = 1; 1682 } else { 1683 global_rqsense = 0; 1684 } 1685 1686 /* 1687 * The device may be busy or slow and fail with a not ready status. 1688 * we'll allow a limited number of retries to give the drive time 1689 * to recover. 1690 */ 1691 for (retries = 0; retries < max_retries; retries++) { 1692 1693 scmd->uscsi_status = 0; 1694 1695 if (global_rqsense) 1696 (void) memset(rqbuf, 0, RQBUFLEN); 1697 1698 DPRINTF("cmd:["); 1699 for (i = 0; i < scmd->uscsi_cdblen; i++) 1700 DPRINTF1("0x%02x ", 1701 (uchar_t)scmd->uscsi_cdb[i]); 1702 DPRINTF("]\n"); 1703 1704 /* 1705 * We need to have root privledges in order to use 1706 * uscsi commands on the device. 1707 */ 1708 1709 ret = ioctl(fd, USCSICMD, scmd); 1710 1711 /* maintain consistency in case of sgen */ 1712 if ((ret == 0) && (scmd->uscsi_status == 2)) { 1713 ret = -1; 1714 errno = EIO; 1715 } 1716 1717 /* if error and extended request sense, retrieve errors */ 1718 if (global_rqsense && (ret < 0) && (scmd->uscsi_status == 2)) { 1719 /* 1720 * The drive is not ready to recieve commands but 1721 * may be in the process of becoming ready. 1722 * sleep for a short time then retry command. 1723 * SENSE/ASC = 2/4 : not ready 1724 * ASCQ = 0 Not Reportable. 1725 * ASCQ = 1 Becoming ready. 1726 */ 1727 if ((SENSE_KEY(rqbuf) == 2) && (ASC(rqbuf) == 4) && 1728 ((ASCQ(rqbuf) == 0) || (ASCQ(rqbuf) == 1))) { 1729 total_retries++; 1730 (void) sleep(3); 1731 continue; 1732 } 1733 1734 /* 1735 * Device is not ready to transmit or a device reset 1736 * has occurred. wait for a short period of time then 1737 * retry the command. 1738 */ 1739 if ((SENSE_KEY(rqbuf) == 6) && ((ASC(rqbuf) == 0x28) || 1740 (ASC(rqbuf) == 0x29))) { 1741 (void) sleep(3); 1742 total_retries++; 1743 continue; 1744 } 1745 1746 DPRINTF3("cmd: 0x%02x ret:%i status:%02x ", 1747 (uchar_t)scmd->uscsi_cdb[0], ret, 1748 scmd->uscsi_status); 1749 DPRINTF3(" sense: %02x ASC: %02x ASCQ:%02x\n", 1750 (uchar_t)SENSE_KEY(rqbuf), 1751 (uchar_t)ASC(rqbuf), (uchar_t)ASCQ(rqbuf)); 1752 } 1753 1754 /* no errors we'll return */ 1755 break; 1756 } 1757 1758 /* store the error status for later debug printing */ 1759 if ((ret < 0) && (global_rqsense)) { 1760 uscsi_status = scmd->uscsi_status; 1761 rqstatus = scmd->uscsi_rqstatus; 1762 rqresid = scmd->uscsi_rqresid; 1763 1764 } 1765 1766 DPRINTF1("total retries: %d\n", total_retries); 1767 1768 return (ret); 1769 } 1770 1771 /* 1772 * will get the mode page only i.e. will strip off the header. 1773 */ 1774 int 1775 get_mode_page(int fd, int page_no, int pc, int buf_len, uchar_t *buffer) 1776 { 1777 int ret; 1778 uchar_t byte2, *buf; 1779 uint_t header_len, page_len, copy_cnt; 1780 1781 byte2 = (uchar_t)(((pc << 6) & 0xC0) | (page_no & 0x3f)); 1782 buf = (uchar_t *)my_zalloc(256); 1783 1784 /* Ask 254 bytes only to make our IDE driver happy */ 1785 ret = mode_sense(fd, byte2, 1, 254, buf); 1786 if (ret == 0) { 1787 free(buf); 1788 return (0); 1789 } 1790 1791 header_len = 8 + read_scsi16(&buf[6]); 1792 page_len = buf[header_len + 1] + 2; 1793 1794 copy_cnt = (page_len > buf_len) ? buf_len : page_len; 1795 (void) memcpy(buffer, &buf[header_len], copy_cnt); 1796 free(buf); 1797 1798 return (1); 1799 } 1800 1801 int 1802 mode_sense(int fd, uchar_t pc, int dbd, int page_len, uchar_t *buffer) 1803 { 1804 struct uscsi_cmd *scmd; 1805 1806 scmd = get_uscsi_cmd(); 1807 scmd->uscsi_flags = USCSI_READ|USCSI_SILENT; 1808 scmd->uscsi_buflen = page_len; 1809 scmd->uscsi_bufaddr = (char *)buffer; 1810 scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT; 1811 scmd->uscsi_cdblen = 0xa; 1812 scmd->uscsi_cdb[0] = MODE_SENSE_10_CMD; 1813 if (dbd) { 1814 /* don't return any block descriptors */ 1815 scmd->uscsi_cdb[1] = 0x8; 1816 } 1817 /* the page code we want */ 1818 scmd->uscsi_cdb[2] = pc; 1819 /* allocation length */ 1820 scmd->uscsi_cdb[7] = (page_len >> 8) & 0xff; 1821 scmd->uscsi_cdb[8] = page_len & 0xff; 1822 1823 if ((uscsi_error = uscsi(fd, scmd)) < 0) 1824 return (0); 1825 return (1); 1826 } 1827 1828 uint16_t 1829 read_scsi16(void *addr) 1830 { 1831 uchar_t *ad = (uchar_t *)addr; 1832 uint16_t ret; 1833 1834 ret = ((((uint16_t)ad[0]) << 8) | ad[1]); 1835 return (ret); 1836 } 1837 1838 /* 1839 * Allocate space for and return a pointer to a string 1840 * on the stack. If the string is null, create 1841 * an empty string. 1842 * Use destroy_data() to free when no longer used. 1843 */ 1844 char * 1845 alloc_string(s) 1846 char *s; 1847 { 1848 char *ns; 1849 1850 if (s == (char *)NULL) { 1851 ns = (char *)my_zalloc(1); 1852 } else { 1853 ns = (char *)my_zalloc(strlen(s) + 1); 1854 (void) strcpy(ns, s); 1855 } 1856 return (ns); 1857 } 1858 1859 /* 1860 * Follow symbolic links from the logical device name to 1861 * the /devfs physical device name. To be complete, we 1862 * handle the case of multiple links. This function 1863 * either returns NULL (no links, or some other error), 1864 * or the physical device name, alloc'ed on the heap. 1865 * 1866 * Note that the standard /devices prefix is stripped from 1867 * the final pathname, if present. The trailing options 1868 * are also removed (":c, raw"). 1869 */ 1870 static char * 1871 get_physical_name(char *path) 1872 { 1873 struct stat stbuf; 1874 int i; 1875 int level; 1876 char *p; 1877 char s[MAXPATHLEN]; 1878 char buf[MAXPATHLEN]; 1879 char dir[MAXPATHLEN]; 1880 char savedir[MAXPATHLEN]; 1881 char *result = NULL; 1882 1883 if (getcwd(savedir, sizeof (savedir)) == NULL) { 1884 DPRINTF1("getcwd() failed - %s\n", strerror(errno)); 1885 return (NULL); 1886 } 1887 1888 (void) strcpy(s, path); 1889 if ((p = strrchr(s, '/')) != NULL) { 1890 *p = 0; 1891 } 1892 if (s[0] == 0) { 1893 (void) strcpy(s, "/"); 1894 } 1895 if (chdir(s) == -1) { 1896 DPRINTF2("cannot chdir() to %s - %s\n", 1897 s, strerror(errno)); 1898 goto exit; 1899 } 1900 1901 level = 0; 1902 (void) strcpy(s, path); 1903 for (;;) { 1904 /* 1905 * See if there's a real file out there. If not, 1906 * we have a dangling link and we ignore it. 1907 */ 1908 if (stat(s, &stbuf) == -1) { 1909 goto exit; 1910 } 1911 if (lstat(s, &stbuf) == -1) { 1912 DPRINTF2("%s: lstat() failed - %s\n", 1913 s, strerror(errno)); 1914 goto exit; 1915 } 1916 /* 1917 * If the file is not a link, we're done one 1918 * way or the other. If there were links, 1919 * return the full pathname of the resulting 1920 * file. 1921 */ 1922 if (!S_ISLNK(stbuf.st_mode)) { 1923 if (level > 0) { 1924 /* 1925 * Strip trailing options from the 1926 * physical device name 1927 */ 1928 if ((p = strrchr(s, ':')) != NULL) { 1929 *p = 0; 1930 } 1931 /* 1932 * Get the current directory, and 1933 * glue the pieces together. 1934 */ 1935 if (getcwd(dir, sizeof (dir)) == NULL) { 1936 DPRINTF1("getcwd() failed - %s\n", 1937 strerror(errno)); 1938 goto exit; 1939 } 1940 (void) strcat(dir, "/"); 1941 (void) strcat(dir, s); 1942 /* 1943 * If we have the standard fixed 1944 * /devices prefix, remove it. 1945 */ 1946 p = (strstr(dir, DEVFS_PREFIX) == dir) ? 1947 dir+strlen(DEVFS_PREFIX) : dir; 1948 result = alloc_string(p); 1949 } 1950 goto exit; 1951 } 1952 i = readlink(s, buf, sizeof (buf)); 1953 if (i == -1) { 1954 DPRINTF2("%s: readlink() failed - %s\n", 1955 s, strerror(errno)); 1956 goto exit; 1957 } 1958 level++; 1959 buf[i] = 0; 1960 1961 /* 1962 * Break up the pathname into the directory 1963 * reference, if applicable and simple filename. 1964 * chdir()'ing to the directory allows us to 1965 * handle links with relative pathnames correctly. 1966 */ 1967 (void) strcpy(dir, buf); 1968 if ((p = strrchr(dir, '/')) != NULL) { 1969 *p = 0; 1970 if (chdir(dir) == -1) { 1971 DPRINTF2("cannot chdir() to %s - %s\n", 1972 dir, strerror(errno)); 1973 goto exit; 1974 } 1975 (void) strcpy(s, p+1); 1976 } else { 1977 (void) strcpy(s, buf); 1978 } 1979 } 1980 1981 exit: 1982 if (chdir(savedir) == -1) { 1983 (void) printf("cannot chdir() to %s - %s\n", 1984 savedir, strerror(errno)); 1985 } 1986 1987 return (result); 1988 } 1989 1990 static void 1991 get_media_info(device_t *t_dev, char *sdev, char *pname, char *sn) 1992 { 1993 struct dk_cinfo cinfo; 1994 struct extvtoc vtocinfo; 1995 float size; 1996 int32_t fd; 1997 smedia_handle_t handle; 1998 struct dk_minfo mediainfo; 1999 int device_type; 2000 2001 device_type = ioctl(t_dev->d_fd, DKIOCGMEDIAINFO, &mediainfo); 2002 2003 /* 2004 * Determine bus type. 2005 */ 2006 if (!ioctl(t_dev->d_fd, DKIOCINFO, &cinfo)) { 2007 if (strstr(cinfo.dki_cname, "usb") || strstr(pname, "usb")) { 2008 (void) printf("\tBus: USB\n"); 2009 } else if (strstr(cinfo.dki_cname, "firewire") || 2010 strstr(pname, "firewire")) { 2011 (void) printf("\tBus: Firewire\n"); 2012 } else if (strstr(cinfo.dki_cname, "ide") || 2013 strstr(pname, "ide")) { 2014 (void) printf("\tBus: IDE\n"); 2015 } else if (strstr(cinfo.dki_cname, "scsi") || 2016 strstr(pname, "scsi")) { 2017 (void) printf("\tBus: SCSI\n"); 2018 } else { 2019 (void) printf("\tBus: <Unknown>\n"); 2020 } 2021 } else { 2022 (void) printf("\tBus: <Unknown>\n"); 2023 } 2024 2025 /* 2026 * Calculate size of media. 2027 */ 2028 if (!device_type && 2029 (!ioctl(t_dev->d_fd, DKIOCGMEDIAINFO, &mediainfo))) { 2030 size = (mediainfo.dki_lbsize* 2031 mediainfo.dki_capacity)/(1024.0*1024.0); 2032 if (size < 1000) { 2033 (void) printf("\tSize: %.1f MB\n", size); 2034 } else { 2035 size = size/1000; 2036 (void) printf("\tSize: %.1f GB\n", size); 2037 } 2038 } else { 2039 (void) printf("\tSize: <Unknown>\n"); 2040 } 2041 2042 /* 2043 * Print label. 2044 */ 2045 if (!device_type && (read_extvtoc(t_dev->d_fd, &vtocinfo) >= 0)) { 2046 if (*vtocinfo.v_volume) { 2047 (void) printf("\tLabel: %s\n", vtocinfo.v_volume); 2048 } else { 2049 (void) printf("\tLabel: <None>\n"); 2050 } 2051 } else { 2052 (void) printf("\tLabel: <Unknown>\n"); 2053 } 2054 2055 /* 2056 * Acess permissions. 2057 */ 2058 if (device_type) { 2059 (void) printf("\tAccess permissions: <Unknown>\n"); 2060 return; 2061 } 2062 2063 (void) fprintf(stdout, gettext("\tAccess permissions: ")); 2064 if (sn) { 2065 /* 2066 * Set dev_name for process_p_flag(). 2067 */ 2068 dev_name = sn; 2069 fd = my_open(sn, O_RDONLY|O_NDELAY); 2070 } else { 2071 dev_name = sdev; 2072 fd = my_open(sdev, O_RDONLY|O_NDELAY); 2073 } 2074 if (fd < 0) { 2075 (void) printf("<Unknown>\n"); 2076 DPRINTF("Could not open device.\n"); 2077 (void) close(fd); 2078 } else { 2079 /* register the fd with the libsmedia */ 2080 handle = smedia_get_handle(fd); 2081 if (handle == NULL) { 2082 (void) printf("<Unknown>\n"); 2083 DPRINTF("Failed to get libsmedia handle.\n"); 2084 (void) close(fd); 2085 } else { 2086 process_p_flag(handle, fd); 2087 } 2088 } 2089 /* Clear dev_name */ 2090 dev_name = NULL; 2091 } 2092