debugfs/debugfs.c

   1 /*
   2  * debugfs.c --- a program which allows you to attach an ext2fs
   3  * filesystem and play with it.
   4  *
   5  * Copyright (C) 1993 Theodore Ts'o.  This file may be redistributed
   6  * under the terms of the GNU Public License.
   7  *
   8  * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
   9  */
  10
  11 #include <stdio.h>
  12 #include <unistd.h>
  13 #include <stdlib.h>
  14 #include <ctype.h>
  15 #include <string.h>
  16 #include <time.h>
  17 #ifdef HAVE_GETOPT_H
  18 #include <getopt.h>
  19 #else
  20 extern int optind;
  21 extern char *optarg;
  22 #endif
  23 #ifdef HAVE_ERRNO_H
  24 #include <errno.h>
  25 #endif
  26 #include <fcntl.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29
  30 #include "et/com_err.h"
  31 #include "ss/ss.h"
  32 #include "debugfs.h"
  33 #include "uuid/uuid.h"
  34 #include "e2p/e2p.h"
  35
  36 #include <ext2fs/ext2_ext_attr.h>
  37
  38 #include "../version.h"
  39 #include "jfs_user.h"
  40
  41 extern ss_request_table debug_cmds;
  42 ss_request_table *extra_cmds;
  43 const char *debug_prog_name;
  44
  45 ext2_filsys     current_fs = NULL;
  46 ext2_ino_t      root, cwd;
  47
  48 static void open_filesystem(char *device, int open_flags, blk_t superblock,
  49                             blk_t blocksize, int catastrophic,
  50                             char *data_filename)
  51 {
  52         int     retval;
  53         io_channel data_io = 0;
  54
  55         if (superblock != 0 && blocksize == 0) {
  56                 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
  57                 current_fs = NULL;
  58                 return;
  59         }
  60
  61         if (data_filename) {
  62                 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
  63                         com_err(device, 0,
  64                                 "The -d option is only valid when reading an e2image file");
  65                         current_fs = NULL;
  66                         return;
  67                 }
  68                 retval = unix_io_manager->open(data_filename, 0, &data_io);
  69                 if (retval) {
  70                         com_err(data_filename, 0, "while opening data source");
  71                         current_fs = NULL;
  72                         return;
  73                 }
  74         }
  75
  76         if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
  77                 com_err(device, 0,
  78                         "opening read-only because of catastrophic mode");
  79                 open_flags &= ~EXT2_FLAG_RW;
  80         }
  81
  82         retval = ext2fs_open(device, open_flags, superblock, blocksize,
  83                              unix_io_manager, &current_fs);
  84         if (retval) {
  85                 com_err(device, retval, "while opening filesystem");
  86                 current_fs = NULL;
  87                 return;
  88         }
  89
  90         if (catastrophic)
  91                 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
  92         else {
  93                 retval = ext2fs_read_inode_bitmap(current_fs);
  94                 if (retval) {
  95                         com_err(device, retval, "while reading inode bitmap");
  96                         goto errout;
  97                 }
  98                 retval = ext2fs_read_block_bitmap(current_fs);
  99                 if (retval) {
 100                         com_err(device, retval, "while reading block bitmap");
 101                         goto errout;
 102                 }
 103         }
 104
 105         if (data_io) {
 106                 retval = ext2fs_set_data_io(current_fs, data_io);
 107                 if (retval) {
 108                         com_err(device, retval,
 109                                 "while setting data source");
 110                         goto errout;
 111                 }
 112         }
 113
 114         root = cwd = EXT2_ROOT_INO;
 115         return;
 116
 117 errout:
 118         retval = ext2fs_close(current_fs);
 119         if (retval)
 120                 com_err(device, retval, "while trying to close filesystem");
 121         current_fs = NULL;
 122 }
 123
 124 void do_open_filesys(int argc, char **argv)
 125 {
 126         int     c, err;
 127         int     catastrophic = 0;
 128         blk_t   superblock = 0;
 129         blk_t   blocksize = 0;
 130         int     open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
 131         char    *data_filename = 0;
 132
 133         reset_getopt();
 134         while ((c = getopt (argc, argv, "iwfecb:s:d:")) != EOF) {
 135                 switch (c) {
 136                 case 'i':
 137                         open_flags |= EXT2_FLAG_IMAGE_FILE;
 138                         break;
 139                 case 'w':
 140                         open_flags |= EXT2_FLAG_RW;
 141                         break;
 142                 case 'f':
 143                         open_flags |= EXT2_FLAG_FORCE;
 144                         break;
 145                 case 'e':
 146                         open_flags |= EXT2_FLAG_EXCLUSIVE;
 147                         break;
 148                 case 'c':
 149                         catastrophic = 1;
 150                         break;
 151                 case 'd':
 152                         data_filename = optarg;
 153                         break;
 154                 case 'b':
 155                         blocksize = parse_ulong(optarg, argv[0],
 156                                                 "block size", &err);
 157                         if (err)
 158                                 return;
 159                         break;
 160                 case 's':
 161                         superblock = parse_ulong(optarg, argv[0],
 162                                                  "superblock number", &err);
 163                         if (err)
 164                                 return;
 165                         break;
 166                 default:
 167                         goto print_usage;
 168                 }
 169         }
 170         if (optind != argc-1) {
 171                 goto print_usage;
 172         }
 173         if (check_fs_not_open(argv[0]))
 174                 return;
 175         open_filesystem(argv[optind], open_flags,
 176                         superblock, blocksize, catastrophic,
 177                         data_filename);
 178         return;
 179
 180 print_usage:
 181         fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
 182                 "[-c] [-w] <device>\n", argv[0]);
 183 }
 184
 185 void do_lcd(int argc, char **argv)
 186 {
 187         if (argc != 2) {
 188                 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
 189                 return;
 190         }
 191
 192         if (chdir(argv[1]) == -1) {
 193                 com_err(argv[0], errno,
 194                         "while trying to change native directory to %s",
 195                         argv[1]);
 196                 return;
 197         }
 198 }
 199
 200 static void close_filesystem(NOARGS)
 201 {
 202         int     retval;
 203
 204         if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
 205                 retval = ext2fs_write_inode_bitmap(current_fs);
 206                 if (retval)
 207                         com_err("ext2fs_write_inode_bitmap", retval, 0);
 208         }
 209         if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
 210                 retval = ext2fs_write_block_bitmap(current_fs);
 211                 if (retval)
 212                         com_err("ext2fs_write_block_bitmap", retval, 0);
 213         }
 214         retval = ext2fs_close(current_fs);
 215         if (retval)
 216                 com_err("ext2fs_close", retval, 0);
 217         current_fs = NULL;
 218         return;
 219 }
 220
 221 void do_close_filesys(int argc, char **argv)
 222 {
 223         if (common_args_process(argc, argv, 1, 1, "close_filesys", "", 0))
 224                 return;
 225         close_filesystem();
 226 }
 227
 228 void do_init_filesys(int argc, char **argv)
 229 {
 230         struct ext2_super_block param;
 231         errcode_t       retval;
 232         int             err;
 233
 234         if (common_args_process(argc, argv, 3, 3, "initialize",
 235                                 "<device> <blocksize>", CHECK_FS_NOTOPEN))
 236                 return;
 237
 238         memset(&param, 0, sizeof(struct ext2_super_block));
 239         param.s_blocks_count = parse_ulong(argv[2], argv[0],
 240                                            "blocks count", &err);
 241         if (err)
 242                 return;
 243         retval = ext2fs_initialize(argv[1], 0, &param,
 244                                    unix_io_manager, &current_fs);
 245         if (retval) {
 246                 com_err(argv[1], retval, "while initializing filesystem");
 247                 current_fs = NULL;
 248                 return;
 249         }
 250         root = cwd = EXT2_ROOT_INO;
 251         return;
 252 }
 253
 254 static void print_features(struct ext2_super_block * s, FILE *f)
 255 {
 256         int     i, j, printed=0;
 257         __u32   *mask = &s->s_feature_compat, m;
 258
 259         fputs("Filesystem features:", f);
 260         for (i=0; i <3; i++,mask++) {
 261                 for (j=0,m=1; j < 32; j++, m<<=1) {
 262                         if (*mask & m) {
 263                                 fprintf(f, " %s", e2p_feature2string(i, m));
 264                                 printed++;
 265                         }
 266                 }
 267         }
 268         if (printed == 0)
 269                 fputs("(none)", f);
 270         fputs("\n", f);
 271 }
 272
 273 static void print_bg_opts(struct ext2_group_desc *gdp, int mask,
 274                           const char *str, int *first, FILE *f)
 275 {
 276         if (gdp->bg_flags & mask) {
 277                 if (*first) {
 278                         fputs("           [", f);
 279                         *first = 0;
 280                 } else
 281                         fputs(", ", f);
 282                 fputs(str, f);
 283         }
 284 }
 285
 286 void do_show_super_stats(int argc, char *argv[])
 287 {
 288         dgrp_t  i;
 289         FILE    *out;
 290         struct ext2_group_desc *gdp;
 291         int     c, header_only = 0;
 292         int     numdirs = 0, first, gdt_csum;
 293
 294         gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
 295                                               EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
 296
 297         reset_getopt();
 298         while ((c = getopt (argc, argv, "h")) != EOF) {
 299                 switch (c) {
 300                 case 'h':
 301                         header_only++;
 302                         break;
 303                 default:
 304                         goto print_usage;
 305                 }
 306         }
 307         if (optind != argc) {
 308                 goto print_usage;
 309         }
 310         if (check_fs_open(argv[0]))
 311                 return;
 312         out = open_pager();
 313
 314         list_super2(current_fs->super, out);
 315         for (i=0; i < current_fs->group_desc_count; i++)
 316                 numdirs += current_fs->group_desc[i].bg_used_dirs_count;
 317         fprintf(out, "Directories:              %d\n", numdirs);
 318
 319         if (header_only) {
 320                 close_pager(out);
 321                 return;
 322         }
 323
 324         gdp = &current_fs->group_desc[0];
 325         for (i = 0; i < current_fs->group_desc_count; i++, gdp++) {
 326                 fprintf(out, " Group %2d: block bitmap at %u, "
 327                         "inode bitmap at %u, "
 328                         "inode table at %u\n"
 329                         "           %d free %s, "
 330                         "%d free %s, "
 331                         "%d used %s%s",
 332                         i, gdp->bg_block_bitmap,
 333                         gdp->bg_inode_bitmap, gdp->bg_inode_table,
 334                         gdp->bg_free_blocks_count,
 335                         gdp->bg_free_blocks_count != 1 ? "blocks" : "block",
 336                         gdp->bg_free_inodes_count,
 337                         gdp->bg_free_inodes_count != 1 ? "inodes" : "inode",
 338                         gdp->bg_used_dirs_count,
 339                         gdp->bg_used_dirs_count != 1 ? "directories"
 340                                 : "directory", gdt_csum ? ", " : "\n");
 341                 if (gdt_csum)
 342                         fprintf(out, "%d unused %s\n",
 343                                 gdp->bg_itable_unused,
 344                                 gdp->bg_itable_unused != 1 ? "inodes":"inode");
 345                 first = 1;
 346                 print_bg_opts(gdp, EXT2_BG_INODE_UNINIT, "Inode not init",
 347                               &first, out);
 348                 print_bg_opts(gdp, EXT2_BG_BLOCK_UNINIT, "Block not init",
 349                               &first, out);
 350                 if (gdt_csum) {
 351                         fprintf(out, "%sChecksum 0x%04x",
 352                                 first ? "           [":", ", gdp->bg_checksum);
 353                         first = 0;
 354                 }
 355                 if (!first)
 356                         fputs("]\n", out);
 357         }
 358         close_pager(out);
 359         return;
 360 print_usage:
 361         fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
 362 }
 363
 364 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
 365                       char **argv EXT2FS_ATTR((unused)))
 366 {
 367         if (check_fs_open(argv[0]))
 368                 return;
 369         if (check_fs_read_write(argv[0]))
 370                 return;
 371
 372         if (argv[1] && !strcmp(argv[1], "-clean"))
 373                 current_fs->super->s_state |= EXT2_VALID_FS;
 374         else
 375                 current_fs->super->s_state &= ~EXT2_VALID_FS;
 376         ext2fs_mark_super_dirty(current_fs);
 377 }
 378
 379 struct list_blocks_struct {
 380         FILE            *f;
 381         e2_blkcnt_t     total;
 382         blk_t           first_block, last_block;
 383         e2_blkcnt_t     first_bcnt, last_bcnt;
 384         e2_blkcnt_t     first;
 385 };
 386
 387 static void finish_range(struct list_blocks_struct *lb)
 388 {
 389         if (lb->first_block == 0)
 390                 return;
 391         if (lb->first)
 392                 lb->first = 0;
 393         else
 394                 fprintf(lb->f, ", ");
 395         if (lb->first_block == lb->last_block)
 396                 fprintf(lb->f, "(%lld):%u",
 397                         (long long)lb->first_bcnt, lb->first_block);
 398         else
 399                 fprintf(lb->f, "(%lld-%lld):%u-%u",
 400                         (long long)lb->first_bcnt, (long long)lb->last_bcnt,
 401                         lb->first_block, lb->last_block);
 402         lb->first_block = 0;
 403 }
 404
 405 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
 406                             blk_t *blocknr, e2_blkcnt_t blockcnt,
 407                             blk_t ref_block EXT2FS_ATTR((unused)),
 408                             int ref_offset EXT2FS_ATTR((unused)),
 409                             void *private)
 410 {
 411         struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
 412
 413         lb->total++;
 414         if (blockcnt >= 0) {
 415                 /*
 416                  * See if we can add on to the existing range (if it exists)
 417                  */
 418                 if (lb->first_block &&
 419                     (lb->last_block+1 == *blocknr) &&
 420                     (lb->last_bcnt+1 == blockcnt)) {
 421                         lb->last_block = *blocknr;
 422                         lb->last_bcnt = blockcnt;
 423                         return 0;
 424                 }
 425                 /*
 426                  * Start a new range.
 427                  */
 428                 finish_range(lb);
 429                 lb->first_block = lb->last_block = *blocknr;
 430                 lb->first_bcnt = lb->last_bcnt = blockcnt;
 431                 return 0;
 432         }
 433         /*
 434          * Not a normal block.  Always force a new range.
 435          */
 436         finish_range(lb);
 437         if (lb->first)
 438                 lb->first = 0;
 439         else
 440                 fprintf(lb->f, ", ");
 441         if (blockcnt == -1)
 442                 fprintf(lb->f, "(IND):%u", *blocknr);
 443         else if (blockcnt == -2)
 444                 fprintf(lb->f, "(DIND):%u", *blocknr);
 445         else if (blockcnt == -3)
 446                 fprintf(lb->f, "(TIND):%u", *blocknr);
 447         return 0;
 448 }
 449
 450 static void dump_xattr_string(FILE *out, const char *str, int len)
 451 {
 452         int printable = 0;
 453         int i;
 454
 455         /* check: is string "printable enough?" */
 456         for (i = 0; i < len; i++)
 457                 if (isprint(str[i]))
 458                         printable++;
 459
 460         if (printable <= len*7/8)
 461                 printable = 0;
 462
 463         for (i = 0; i < len; i++)
 464                 if (printable)
 465                         fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
 466                                 (unsigned char)str[i]);
 467                 else
 468                         fprintf(out, "%02x ", (unsigned char)str[i]);
 469 }
 470
 471 static void internal_dump_inode_extra(FILE *out,
 472                                       const char *prefix EXT2FS_ATTR((unused)),
 473                                       ext2_ino_t inode_num EXT2FS_ATTR((unused)),
 474                                       struct ext2_inode_large *inode)
 475 {
 476         struct ext2_ext_attr_entry *entry;
 477         __u32 *magic;
 478         char *start, *end;
 479         unsigned int storage_size;
 480
 481         fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
 482         if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
 483                         EXT2_GOOD_OLD_INODE_SIZE) {
 484                 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
 485                                 inode->i_extra_isize);
 486                 return;
 487         }
 488         storage_size = EXT2_INODE_SIZE(current_fs->super) -
 489                         EXT2_GOOD_OLD_INODE_SIZE -
 490                         inode->i_extra_isize;
 491         magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
 492                         inode->i_extra_isize);
 493         if (*magic == EXT2_EXT_ATTR_MAGIC) {
 494                 fprintf(out, "Extended attributes stored in inode body: \n");
 495                 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
 496                 start = (char *) magic + sizeof(__u32);
 497                 entry = (struct ext2_ext_attr_entry *) start;
 498                 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
 499                         struct ext2_ext_attr_entry *next =
 500                                 EXT2_EXT_ATTR_NEXT(entry);
 501                         if (entry->e_value_size > storage_size ||
 502                                         (char *) next >= end) {
 503                                 fprintf(out, "invalid EA entry in inode\n");
 504                                 return;
 505                         }
 506                         fprintf(out, "  ");
 507                         dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
 508                                           entry->e_name_len);
 509                         fprintf(out, " = \"");
 510                         dump_xattr_string(out, start + entry->e_value_offs,
 511                                                 entry->e_value_size);
 512                         fprintf(out, "\" (%u)\n", entry->e_value_size);
 513                         entry = next;
 514                 }
 515         }
 516 }
 517
 518 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
 519 {
 520         struct list_blocks_struct lb;
 521
 522         fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
 523         lb.total = 0;
 524         lb.first_block = 0;
 525         lb.f = f;
 526         lb.first = 1;
 527         ext2fs_block_iterate2(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
 528                              list_blocks_proc, (void *)&lb);
 529         finish_range(&lb);
 530         if (lb.total)
 531                 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
 532         fprintf(f,"\n");
 533 }
 534
 535
 536 void internal_dump_inode(FILE *out, const char *prefix,
 537                          ext2_ino_t inode_num, struct ext2_inode *inode,
 538                          int do_dump_blocks)
 539 {
 540         const char *i_type;
 541         char frag, fsize;
 542         int os = current_fs->super->s_creator_os;
 543         struct ext2_inode_large *large_inode;
 544         int is_large_inode = 0;
 545
 546         if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
 547                 is_large_inode = 1;
 548         large_inode = (struct ext2_inode_large *) inode;
 549
 550         if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
 551         else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
 552         else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
 553         else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
 554         else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
 555         else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
 556         else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
 557         else i_type = "bad type";
 558         fprintf(out, "%sInode: %u   Type: %s    ", prefix, inode_num, i_type);
 559         fprintf(out, "%sMode:  %04o   Flags: 0x%x\n",
 560                 prefix, inode->i_mode & 0777, inode->i_flags);
 561         if (is_large_inode && large_inode->i_extra_isize >= 24) {
 562                 fprintf(out, "%sGeneration: %u    Version: 0x%08x:%08x\n",
 563                         prefix, inode->i_generation, large_inode->i_version_hi,
 564                         inode->osd1.linux1.l_i_version);
 565         } else {
 566                 fprintf(out, "%sGeneration: %u    Version: 0x%08x\n", prefix,
 567                         inode->i_generation, inode->osd1.linux1.l_i_version);
 568         }
 569         fprintf(out, "%sUser: %5d   Group: %5d   Size: ",
 570                 prefix, inode_uid(*inode), inode_gid(*inode));
 571         if (LINUX_S_ISREG(inode->i_mode)) {
 572                 unsigned long long i_size = (inode->i_size |
 573                                     ((unsigned long long)inode->i_size_high << 32));
 574
 575                 fprintf(out, "%llu\n", i_size);
 576         } else
 577                 fprintf(out, "%d\n", inode->i_size);
 578         if (os == EXT2_OS_HURD)
 579                 fprintf(out,
 580                         "%sFile ACL: %d    Directory ACL: %d Translator: %d\n",
 581                         prefix,
 582                         inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
 583                         inode->osd1.hurd1.h_i_translator);
 584         else
 585                 fprintf(out, "%sFile ACL: %d    Directory ACL: %d\n",
 586                         prefix,
 587                         inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
 588         if (os == EXT2_OS_LINUX)
 589                 fprintf(out, "%sLinks: %d   Blockcount: %llu\n",
 590                         prefix, inode->i_links_count,
 591                         (((unsigned long long)
 592                           inode->osd2.linux2.l_i_blocks_hi << 32)) +
 593                         inode->i_blocks);
 594         else
 595                 fprintf(out, "%sLinks: %d   Blockcount: %u\n",
 596                         prefix, inode->i_links_count, inode->i_blocks);
 597         switch (os) {
 598             case EXT2_OS_HURD:
 599                 frag = inode->osd2.hurd2.h_i_frag;
 600                 fsize = inode->osd2.hurd2.h_i_fsize;
 601                 break;
 602             default:
 603                 frag = fsize = 0;
 604         }
 605         fprintf(out, "%sFragment:  Address: %d    Number: %d    Size: %d\n",
 606                 prefix, inode->i_faddr, frag, fsize);
 607         if (is_large_inode && large_inode->i_extra_isize >= 24) {
 608                 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
 609                         inode->i_ctime, large_inode->i_ctime_extra,
 610                         time_to_string(inode->i_ctime));
 611                 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
 612                         inode->i_atime, large_inode->i_atime_extra,
 613                         time_to_string(inode->i_atime));
 614                 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
 615                         inode->i_mtime, large_inode->i_mtime_extra,
 616                         time_to_string(inode->i_mtime));
 617                 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
 618                         large_inode->i_crtime, large_inode->i_crtime_extra,
 619                         time_to_string(large_inode->i_crtime));
 620         } else {
 621                 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
 622                         time_to_string(inode->i_ctime));
 623                 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
 624                         time_to_string(inode->i_atime));
 625                 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
 626                         time_to_string(inode->i_mtime));
 627         }
 628         if (inode->i_dtime)
 629           fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
 630                   time_to_string(inode->i_dtime));
 631         if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
 632                 internal_dump_inode_extra(out, prefix, inode_num,
 633                                           (struct ext2_inode_large *) inode);
 634         if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
 635                 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
 636                         (int) inode->i_size, (char *)inode->i_block);
 637         else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
 638                 int major, minor;
 639                 const char *devnote;
 640
 641                 if (inode->i_block[0]) {
 642                         major = (inode->i_block[0] >> 8) & 255;
 643                         minor = inode->i_block[0] & 255;
 644                         devnote = "";
 645                 } else {
 646                         major = (inode->i_block[1] & 0xfff00) >> 8;
 647                         minor = ((inode->i_block[1] & 0xff) |
 648                                  ((inode->i_block[1] >> 12) & 0xfff00));
 649                         devnote = "(New-style) ";
 650                 }
 651                 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
 652                         devnote, major, minor, major, minor);
 653         }
 654         else if (do_dump_blocks)
 655                 dump_blocks(out, prefix, inode_num);
 656 }
 657
 658 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
 659 {
 660         FILE    *out;
 661
 662         out = open_pager();
 663         internal_dump_inode(out, "", inode_num, inode, 1);
 664         close_pager(out);
 665 }
 666
 667 void do_stat(int argc, char *argv[])
 668 {
 669         ext2_ino_t      inode;
 670         struct ext2_inode * inode_buf;
 671
 672         if (check_fs_open(argv[0]))
 673                 return;
 674
 675         inode_buf = (struct ext2_inode *)
 676                         malloc(EXT2_INODE_SIZE(current_fs->super));
 677         if (!inode_buf) {
 678                 fprintf(stderr, "do_stat: can't allocate buffer\n");
 679                 return;
 680         }
 681
 682         if (common_inode_args_process(argc, argv, &inode, 0)) {
 683                 free(inode_buf);
 684                 return;
 685         }
 686
 687         if (debugfs_read_inode_full(inode, inode_buf, argv[0],
 688                                         EXT2_INODE_SIZE(current_fs->super))) {
 689                 free(inode_buf);
 690                 return;
 691         }
 692
 693         dump_inode(inode, inode_buf);
 694         free(inode_buf);
 695         return;
 696 }
 697
 698 void do_chroot(int argc, char *argv[])
 699 {
 700         ext2_ino_t inode;
 701         int retval;
 702
 703         if (common_inode_args_process(argc, argv, &inode, 0))
 704                 return;
 705
 706         retval = ext2fs_check_directory(current_fs, inode);
 707         if (retval)  {
 708                 com_err(argv[1], retval, 0);
 709                 return;
 710         }
 711         root = inode;
 712 }
 713
 714 void do_clri(int argc, char *argv[])
 715 {
 716         ext2_ino_t inode;
 717         struct ext2_inode inode_buf;
 718
 719         if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
 720                 return;
 721
 722         if (debugfs_read_inode(inode, &inode_buf, argv[0]))
 723                 return;
 724         memset(&inode_buf, 0, sizeof(inode_buf));
 725         if (debugfs_write_inode(inode, &inode_buf, argv[0]))
 726                 return;
 727 }
 728
 729 void do_freei(int argc, char *argv[])
 730 {
 731         ext2_ino_t inode;
 732
 733         if (common_inode_args_process(argc, argv, &inode,
 734                                       CHECK_FS_RW | CHECK_FS_BITMAPS))
 735                 return;
 736
 737         if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
 738                 com_err(argv[0], 0, "Warning: inode already clear");
 739         ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode);
 740         ext2fs_mark_ib_dirty(current_fs);
 741 }
 742
 743 void do_seti(int argc, char *argv[])
 744 {
 745         ext2_ino_t inode;
 746
 747         if (common_inode_args_process(argc, argv, &inode,
 748                                       CHECK_FS_RW | CHECK_FS_BITMAPS))
 749                 return;
 750
 751         if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
 752                 com_err(argv[0], 0, "Warning: inode already set");
 753         ext2fs_mark_inode_bitmap(current_fs->inode_map,inode);
 754         ext2fs_mark_ib_dirty(current_fs);
 755 }
 756
 757 void do_testi(int argc, char *argv[])
 758 {
 759         ext2_ino_t inode;
 760
 761         if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
 762                 return;
 763
 764         if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
 765                 printf("Inode %u is marked in use\n", inode);
 766         else
 767                 printf("Inode %u is not in use\n", inode);
 768 }
 769
 770 void do_freeb(int argc, char *argv[])
 771 {
 772         blk_t block;
 773         blk_t count = 1;
 774
 775         if (common_block_args_process(argc, argv, &block, &count))
 776                 return;
 777         if (check_fs_read_write(argv[0]))
 778                 return;
 779         while (count-- > 0) {
 780                 if (!ext2fs_test_block_bitmap(current_fs->block_map,block))
 781                         com_err(argv[0], 0, "Warning: block %u already clear",
 782                                 block);
 783                 ext2fs_unmark_block_bitmap(current_fs->block_map,block);
 784                 block++;
 785         }
 786         ext2fs_mark_bb_dirty(current_fs);
 787 }
 788
 789 void do_setb(int argc, char *argv[])
 790 {
 791         blk_t block;
 792         blk_t count = 1;
 793
 794         if (common_block_args_process(argc, argv, &block, &count))
 795                 return;
 796         if (check_fs_read_write(argv[0]))
 797                 return;
 798         while (count-- > 0) {
 799                 if (ext2fs_test_block_bitmap(current_fs->block_map,block))
 800                         com_err(argv[0], 0, "Warning: block %u already set",
 801                                 block);
 802                 ext2fs_mark_block_bitmap(current_fs->block_map,block);
 803                 block++;
 804         }
 805         ext2fs_mark_bb_dirty(current_fs);
 806 }
 807
 808 void do_testb(int argc, char *argv[])
 809 {
 810         blk_t block;
 811         blk_t count = 1;
 812
 813         if (common_block_args_process(argc, argv, &block, &count))
 814                 return;
 815         while (count-- > 0) {
 816                 if (ext2fs_test_block_bitmap(current_fs->block_map,block))
 817                         printf("Block %u marked in use\n", block);
 818                 else
 819                         printf("Block %u not in use\n", block);
 820                 block++;
 821         }
 822 }
 823
 824 static void modify_u8(char *com, const char *prompt,
 825                       const char *format, __u8 *val)
 826 {
 827         char buf[200];
 828         unsigned long v;
 829         char *tmp;
 830
 831         sprintf(buf, format, *val);
 832         printf("%30s    [%s] ", prompt, buf);
 833         if (!fgets(buf, sizeof(buf), stdin))
 834                 return;
 835         if (buf[strlen (buf) - 1] == '\n')
 836                 buf[strlen (buf) - 1] = '\0';
 837         if (!buf[0])
 838                 return;
 839         v = strtoul(buf, &tmp, 0);
 840         if (*tmp)
 841                 com_err(com, 0, "Bad value - %s", buf);
 842         else
 843                 *val = v;
 844 }
 845
 846 static void modify_u16(char *com, const char *prompt,
 847                        const char *format, __u16 *val)
 848 {
 849         char buf[200];
 850         unsigned long v;
 851         char *tmp;
 852
 853         sprintf(buf, format, *val);
 854         printf("%30s    [%s] ", prompt, buf);
 855         if (!fgets(buf, sizeof(buf), stdin))
 856                 return;
 857         if (buf[strlen (buf) - 1] == '\n')
 858                 buf[strlen (buf) - 1] = '\0';
 859         if (!buf[0])
 860                 return;
 861         v = strtoul(buf, &tmp, 0);
 862         if (*tmp)
 863                 com_err(com, 0, "Bad value - %s", buf);
 864         else
 865                 *val = v;
 866 }
 867
 868 static void modify_u32(char *com, const char *prompt,
 869                        const char *format, __u32 *val)
 870 {
 871         char buf[200];
 872         unsigned long v;
 873         char *tmp;
 874
 875         sprintf(buf, format, *val);
 876         printf("%30s    [%s] ", prompt, buf);
 877         if (!fgets(buf, sizeof(buf), stdin))
 878                 return;
 879         if (buf[strlen (buf) - 1] == '\n')
 880                 buf[strlen (buf) - 1] = '\0';
 881         if (!buf[0])
 882                 return;
 883         v = strtoul(buf, &tmp, 0);
 884         if (*tmp)
 885                 com_err(com, 0, "Bad value - %s", buf);
 886         else
 887                 *val = v;
 888 }
 889
 890
 891 void do_modify_inode(int argc, char *argv[])
 892 {
 893         struct ext2_inode inode;
 894         ext2_ino_t      inode_num;
 895         int             i;
 896         unsigned char   *frag, *fsize;
 897         char            buf[80];
 898         int             os;
 899         const char      *hex_format = "0x%x";
 900         const char      *octal_format = "0%o";
 901         const char      *decimal_format = "%d";
 902         const char      *unsignedlong_format = "%lu";
 903
 904         if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
 905                 return;
 906
 907         os = current_fs->super->s_creator_os;
 908
 909         if (debugfs_read_inode(inode_num, &inode, argv[1]))
 910                 return;
 911
 912         modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
 913         modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
 914         modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
 915         modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
 916         modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
 917         modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
 918         modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
 919         modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
 920         modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
 921         if (os == EXT2_OS_LINUX)
 922                 modify_u16(argv[0], "Block count high", unsignedlong_format,
 923                            &inode.osd2.linux2.l_i_blocks_hi);
 924         modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
 925         modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
 926         modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
 927 #if 0
 928         modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
 929 #endif
 930         modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
 931         if (LINUX_S_ISDIR(inode.i_mode))
 932                 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
 933         else
 934                 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
 935
 936         if (os == EXT2_OS_HURD)
 937                 modify_u32(argv[0], "Translator Block",
 938                             decimal_format, &inode.osd1.hurd1.h_i_translator);
 939
 940         modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
 941         switch (os) {
 942             case EXT2_OS_HURD:
 943                 frag = &inode.osd2.hurd2.h_i_frag;
 944                 fsize = &inode.osd2.hurd2.h_i_fsize;
 945                 break;
 946             default:
 947                 frag = fsize = 0;
 948         }
 949         if (frag)
 950                 modify_u8(argv[0], "Fragment number", decimal_format, frag);
 951         if (fsize)
 952                 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
 953
 954         for (i=0;  i < EXT2_NDIR_BLOCKS; i++) {
 955                 sprintf(buf, "Direct Block #%d", i);
 956                 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
 957         }
 958         modify_u32(argv[0], "Indirect Block", decimal_format,
 959                     &inode.i_block[EXT2_IND_BLOCK]);
 960         modify_u32(argv[0], "Double Indirect Block", decimal_format,
 961                     &inode.i_block[EXT2_DIND_BLOCK]);
 962         modify_u32(argv[0], "Triple Indirect Block", decimal_format,
 963                     &inode.i_block[EXT2_TIND_BLOCK]);
 964         if (debugfs_write_inode(inode_num, &inode, argv[1]))
 965                 return;
 966 }
 967
 968 void do_change_working_dir(int argc, char *argv[])
 969 {
 970         ext2_ino_t      inode;
 971         int             retval;
 972
 973         if (common_inode_args_process(argc, argv, &inode, 0))
 974                 return;
 975
 976         retval = ext2fs_check_directory(current_fs, inode);
 977         if (retval) {
 978                 com_err(argv[1], retval, 0);
 979                 return;
 980         }
 981         cwd = inode;
 982         return;
 983 }
 984
 985 void do_print_working_directory(int argc, char *argv[])
 986 {
 987         int     retval;
 988         char    *pathname = NULL;
 989
 990         if (common_args_process(argc, argv, 1, 1,
 991                                 "print_working_directory", "", 0))
 992                 return;
 993
 994         retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
 995         if (retval) {
 996                 com_err(argv[0], retval,
 997                         "while trying to get pathname of cwd");
 998         }
 999         printf("[pwd]   INODE: %6u  PATH: %s\n",
1000                cwd, pathname ? pathname : "NULL");
1001         if (pathname) {
1002                 free(pathname);
1003                 pathname = NULL;
1004         }
1005         retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1006         if (retval) {
1007                 com_err(argv[0], retval,
1008                         "while trying to get pathname of root");
1009         }
1010         printf("[root]  INODE: %6u  PATH: %s\n",
1011                root, pathname ? pathname : "NULL");
1012         if (pathname) {
1013                 free(pathname);
1014                 pathname = NULL;
1015         }
1016         return;
1017 }
1018
1019 /*
1020  * Given a mode, return the ext2 file type
1021  */
1022 static int ext2_file_type(unsigned int mode)
1023 {
1024         if (LINUX_S_ISREG(mode))
1025                 return EXT2_FT_REG_FILE;
1026
1027         if (LINUX_S_ISDIR(mode))
1028                 return EXT2_FT_DIR;
1029
1030         if (LINUX_S_ISCHR(mode))
1031                 return EXT2_FT_CHRDEV;
1032
1033         if (LINUX_S_ISBLK(mode))
1034                 return EXT2_FT_BLKDEV;
1035
1036         if (LINUX_S_ISLNK(mode))
1037                 return EXT2_FT_SYMLINK;
1038
1039         if (LINUX_S_ISFIFO(mode))
1040                 return EXT2_FT_FIFO;
1041
1042         if (LINUX_S_ISSOCK(mode))
1043                 return EXT2_FT_SOCK;
1044
1045         return 0;
1046 }
1047
1048 static void make_link(char *sourcename, char *destname)
1049 {
1050         ext2_ino_t      ino;
1051         struct ext2_inode inode;
1052         int             retval;
1053         ext2_ino_t      dir;
1054         char            *dest, *cp, *base_name;
1055
1056         /*
1057          * Get the source inode
1058          */
1059         ino = string_to_inode(sourcename);
1060         if (!ino)
1061                 return;
1062         base_name = strrchr(sourcename, '/');
1063         if (base_name)
1064                 base_name++;
1065         else
1066                 base_name = sourcename;
1067         /*
1068          * Figure out the destination.  First see if it exists and is
1069          * a directory.
1070          */
1071         if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1072                 dest = base_name;
1073         else {
1074                 /*
1075                  * OK, it doesn't exist.  See if it is
1076                  * '<dir>/basename' or 'basename'
1077                  */
1078                 cp = strrchr(destname, '/');
1079                 if (cp) {
1080                         *cp = 0;
1081                         dir = string_to_inode(destname);
1082                         if (!dir)
1083                                 return;
1084                         dest = cp+1;
1085                 } else {
1086                         dir = cwd;
1087                         dest = destname;
1088                 }
1089         }
1090
1091         if (debugfs_read_inode(ino, &inode, sourcename))
1092                 return;
1093
1094         retval = ext2fs_link(current_fs, dir, dest, ino,
1095                              ext2_file_type(inode.i_mode));
1096         if (retval)
1097                 com_err("make_link", retval, 0);
1098         return;
1099 }
1100
1101
1102 void do_link(int argc, char *argv[])
1103 {
1104         if (common_args_process(argc, argv, 3, 3, "link",
1105                                 "<source file> <dest_name>", CHECK_FS_RW))
1106                 return;
1107
1108         make_link(argv[1], argv[2]);
1109 }
1110
1111 static int mark_blocks_proc(ext2_filsys fs, blk_t *blocknr,
1112                             int blockcnt EXT2FS_ATTR((unused)),
1113                             void *private EXT2FS_ATTR((unused)))
1114 {
1115         blk_t   block;
1116
1117         block = *blocknr;
1118         ext2fs_block_alloc_stats(fs, block, +1);
1119         return 0;
1120 }
1121
1122 void do_undel(int argc, char *argv[])
1123 {
1124         ext2_ino_t      ino;
1125         struct ext2_inode inode;
1126
1127         if (common_args_process(argc, argv, 2, 3, "undelete",
1128                                 "<inode_num> [dest_name]",
1129                                 CHECK_FS_RW | CHECK_FS_BITMAPS))
1130                 return;
1131
1132         ino = string_to_inode(argv[1]);
1133         if (!ino)
1134                 return;
1135
1136         if (debugfs_read_inode(ino, &inode, argv[1]))
1137                 return;
1138
1139         if (ext2fs_test_inode_bitmap(current_fs->inode_map, ino)) {
1140                 com_err(argv[1], 0, "Inode is not marked as deleted");
1141                 return;
1142         }
1143
1144         /*
1145          * XXX this function doesn't handle changing the links count on the
1146          * parent directory when undeleting a directory.
1147          */
1148         inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1149         inode.i_dtime = 0;
1150
1151         if (debugfs_write_inode(ino, &inode, argv[0]))
1152                 return;
1153
1154         ext2fs_block_iterate(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1155                              mark_blocks_proc, NULL);
1156
1157         ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1158
1159         if (argc > 2)
1160                 make_link(argv[1], argv[2]);
1161 }
1162
1163 static void unlink_file_by_name(char *filename)
1164 {
1165         int             retval;
1166         ext2_ino_t      dir;
1167         char            *base_name;
1168
1169         base_name = strrchr(filename, '/');
1170         if (base_name) {
1171                 *base_name++ = '\0';
1172                 dir = string_to_inode(filename);
1173                 if (!dir)
1174                         return;
1175         } else {
1176                 dir = cwd;
1177                 base_name = filename;
1178         }
1179         retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1180         if (retval)
1181                 com_err("unlink_file_by_name", retval, 0);
1182         return;
1183 }
1184
1185 void do_unlink(int argc, char *argv[])
1186 {
1187         if (common_args_process(argc, argv, 2, 2, "link",
1188                                 "<pathname>", CHECK_FS_RW))
1189                 return;
1190
1191         unlink_file_by_name(argv[1]);
1192 }
1193
1194 void do_find_free_block(int argc, char *argv[])
1195 {
1196         blk_t   free_blk, goal, first_free = 0;
1197         int             count;
1198         errcode_t       retval;
1199         char            *tmp;
1200
1201         if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1202                 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1203                 return;
1204         }
1205         if (check_fs_open(argv[0]))
1206                 return;
1207
1208         if (argc > 1) {
1209                 count = strtol(argv[1],&tmp,0);
1210                 if (*tmp) {
1211                         com_err(argv[0], 0, "Bad count - %s", argv[1]);
1212                         return;
1213                 }
1214         } else
1215                 count = 1;
1216
1217         if (argc > 2) {
1218                 goal = strtol(argv[2], &tmp, 0);
1219                 if (*tmp) {
1220                         com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1221                         return;
1222                 }
1223         }
1224         else
1225                 goal = current_fs->super->s_first_data_block;
1226
1227         printf("Free blocks found: ");
1228         free_blk = goal - 1;
1229         while (count-- > 0) {
1230                 retval = ext2fs_new_block(current_fs, free_blk + 1, 0,
1231                                           &free_blk);
1232                 if (first_free) {
1233                         if (first_free == free_blk)
1234                                 break;
1235                 } else
1236                         first_free = free_blk;
1237                 if (retval) {
1238                         com_err("ext2fs_new_block", retval, 0);
1239                         return;
1240                 } else
1241                         printf("%u ", free_blk);
1242         }
1243         printf("\n");
1244 }
1245
1246 void do_find_free_inode(int argc, char *argv[])
1247 {
1248         ext2_ino_t      free_inode, dir;
1249         int             mode;
1250         int             retval;
1251         char            *tmp;
1252
1253         if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1254                 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1255                 return;
1256         }
1257         if (check_fs_open(argv[0]))
1258                 return;
1259
1260         if (argc > 1) {
1261                 dir = strtol(argv[1], &tmp, 0);
1262                 if (*tmp) {
1263                         com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1264                         return;
1265                 }
1266         }
1267         else
1268                 dir = root;
1269         if (argc > 2) {
1270                 mode = strtol(argv[2], &tmp, 0);
1271                 if (*tmp) {
1272                         com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1273                         return;
1274                 }
1275         } else
1276                 mode = 010755;
1277
1278         retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1279         if (retval)
1280                 com_err("ext2fs_new_inode", retval, 0);
1281         else
1282                 printf("Free inode found: %u\n", free_inode);
1283 }
1284
1285 static errcode_t copy_file(int fd, ext2_ino_t newfile)
1286 {
1287         ext2_file_t     e2_file;
1288         errcode_t       retval;
1289         int             got;
1290         unsigned int    written;
1291         char            buf[8192];
1292         char            *ptr;
1293
1294         retval = ext2fs_file_open(current_fs, newfile,
1295                                   EXT2_FILE_WRITE, &e2_file);
1296         if (retval)
1297                 return retval;
1298
1299         while (1) {
1300                 got = read(fd, buf, sizeof(buf));
1301                 if (got == 0)
1302                         break;
1303                 if (got < 0) {
1304                         retval = errno;
1305                         goto fail;
1306                 }
1307                 ptr = buf;
1308                 while (got > 0) {
1309                         retval = ext2fs_file_write(e2_file, ptr,
1310                                                    got, &written);
1311                         if (retval)
1312                                 goto fail;
1313
1314                         got -= written;
1315                         ptr += written;
1316                 }
1317         }
1318         retval = ext2fs_file_close(e2_file);
1319         return retval;
1320
1321 fail:
1322         (void) ext2fs_file_close(e2_file);
1323         return retval;
1324 }
1325
1326
1327 void do_write(int argc, char *argv[])
1328 {
1329         int             fd;
1330         struct stat     statbuf;
1331         ext2_ino_t      newfile;
1332         errcode_t       retval;
1333         struct ext2_inode inode;
1334
1335         if (common_args_process(argc, argv, 3, 3, "write",
1336                                 "<native file> <new file>", CHECK_FS_RW))
1337                 return;
1338
1339         fd = open(argv[1], O_RDONLY);
1340         if (fd < 0) {
1341                 com_err(argv[1], errno, 0);
1342                 return;
1343         }
1344         if (fstat(fd, &statbuf) < 0) {
1345                 com_err(argv[1], errno, 0);
1346                 close(fd);
1347                 return;
1348         }
1349
1350         retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1351         if (retval == 0) {
1352                 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1353                 close(fd);
1354                 return;
1355         }
1356
1357         retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1358         if (retval) {
1359                 com_err(argv[0], retval, 0);
1360                 close(fd);
1361                 return;
1362         }
1363         printf("Allocated inode: %u\n", newfile);
1364         retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1365                              EXT2_FT_REG_FILE);
1366         if (retval == EXT2_ET_DIR_NO_SPACE) {
1367                 retval = ext2fs_expand_dir(current_fs, cwd);
1368                 if (retval) {
1369                         com_err(argv[0], retval, "while expanding directory");
1370                         close(fd);
1371                         return;
1372                 }
1373                 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1374                                      EXT2_FT_REG_FILE);
1375         }
1376         if (retval) {
1377                 com_err(argv[2], retval, 0);
1378                 close(fd);
1379                 return;
1380         }
1381         if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile))
1382                 com_err(argv[0], 0, "Warning: inode already set");
1383         ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1384         memset(&inode, 0, sizeof(inode));
1385         inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1386         inode.i_atime = inode.i_ctime = inode.i_mtime =
1387                 current_fs->now ? current_fs->now : time(0);
1388         inode.i_links_count = 1;
1389         inode.i_size = statbuf.st_size;
1390         if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1391                 close(fd);
1392                 return;
1393         }
1394         if (LINUX_S_ISREG(inode.i_mode)) {
1395                 retval = copy_file(fd, newfile);
1396                 if (retval)
1397                         com_err("copy_file", retval, 0);
1398         }
1399         close(fd);
1400 }
1401
1402 void do_mknod(int argc, char *argv[])
1403 {
1404         unsigned long   mode, major, minor;
1405         ext2_ino_t      newfile;
1406         errcode_t       retval;
1407         struct ext2_inode inode;
1408         int             filetype, nr;
1409
1410         if (check_fs_open(argv[0]))
1411                 return;
1412         if (argc < 3 || argv[2][1]) {
1413         usage:
1414                 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1415                 return;
1416         }
1417         mode = minor = major = 0;
1418         switch (argv[2][0]) {
1419                 case 'p':
1420                         mode = LINUX_S_IFIFO;
1421                         filetype = EXT2_FT_FIFO;
1422                         nr = 3;
1423                         break;
1424                 case 'c':
1425                         mode = LINUX_S_IFCHR;
1426                         filetype = EXT2_FT_CHRDEV;
1427                         nr = 5;
1428                         break;
1429                 case 'b':
1430                         mode = LINUX_S_IFBLK;
1431                         filetype = EXT2_FT_BLKDEV;
1432                         nr = 5;
1433                         break;
1434                 default:
1435                         filetype = 0;
1436                         nr = 0;
1437         }
1438         if (nr == 5) {
1439                 major = strtoul(argv[3], argv+3, 0);
1440                 minor = strtoul(argv[4], argv+4, 0);
1441                 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1442                         nr = 0;
1443         }
1444         if (argc != nr)
1445                 goto usage;
1446         if (check_fs_read_write(argv[0]))
1447                 return;
1448         retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1449         if (retval) {
1450                 com_err(argv[0], retval, 0);
1451                 return;
1452         }
1453         printf("Allocated inode: %u\n", newfile);
1454         retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1455         if (retval == EXT2_ET_DIR_NO_SPACE) {
1456                 retval = ext2fs_expand_dir(current_fs, cwd);
1457                 if (retval) {
1458                         com_err(argv[0], retval, "while expanding directory");
1459                         return;
1460                 }
1461                 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1462                                      filetype);
1463         }
1464         if (retval) {
1465                 com_err(argv[1], retval, 0);
1466                 return;
1467         }
1468         if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile))
1469                 com_err(argv[0], 0, "Warning: inode already set");
1470         ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile);
1471         ext2fs_mark_ib_dirty(current_fs);
1472         memset(&inode, 0, sizeof(inode));
1473         inode.i_mode = mode;
1474         inode.i_atime = inode.i_ctime = inode.i_mtime =
1475                 current_fs->now ? current_fs->now : time(0);
1476         if ((major < 256) && (minor < 256)) {
1477                 inode.i_block[0] = major*256+minor;
1478                 inode.i_block[1] = 0;
1479         } else {
1480                 inode.i_block[0] = 0;
1481                 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1482         }
1483         inode.i_links_count = 1;
1484         if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1485                 return;
1486 }
1487
1488 void do_mkdir(int argc, char *argv[])
1489 {
1490         char    *cp;
1491         ext2_ino_t      parent;
1492         char    *name;
1493         errcode_t retval;
1494
1495         if (common_args_process(argc, argv, 2, 2, "mkdir",
1496                                 "<filename>", CHECK_FS_RW))
1497                 return;
1498
1499         cp = strrchr(argv[1], '/');
1500         if (cp) {
1501                 *cp = 0;
1502                 parent = string_to_inode(argv[1]);
1503                 if (!parent) {
1504                         com_err(argv[1], ENOENT, 0);
1505                         return;
1506                 }
1507                 name = cp+1;
1508         } else {
1509                 parent = cwd;
1510                 name = argv[1];
1511         }
1512
1513 try_again:
1514         retval = ext2fs_mkdir(current_fs, parent, 0, name);
1515         if (retval == EXT2_ET_DIR_NO_SPACE) {
1516                 retval = ext2fs_expand_dir(current_fs, parent);
1517                 if (retval) {
1518                         com_err(argv[0], retval, "while expanding directory");
1519                         return;
1520                 }
1521                 goto try_again;
1522         }
1523         if (retval) {
1524                 com_err("ext2fs_mkdir", retval, 0);
1525                 return;
1526         }
1527
1528 }
1529
1530 static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
1531                                int blockcnt EXT2FS_ATTR((unused)),
1532                                void *private EXT2FS_ATTR((unused)))
1533 {
1534         blk_t   block;
1535
1536         block = *blocknr;
1537         ext2fs_block_alloc_stats(fs, block, -1);
1538         return 0;
1539 }
1540
1541 static void kill_file_by_inode(ext2_ino_t inode)
1542 {
1543         struct ext2_inode inode_buf;
1544
1545         if (debugfs_read_inode(inode, &inode_buf, 0))
1546                 return;
1547         inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1548         if (debugfs_write_inode(inode, &inode_buf, 0))
1549                 return;
1550         if (!ext2fs_inode_has_valid_blocks(&inode_buf))
1551                 return;
1552
1553         ext2fs_block_iterate(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1554                              release_blocks_proc, NULL);
1555         printf("\n");
1556         ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1557                                   LINUX_S_ISDIR(inode_buf.i_mode));
1558 }
1559
1560
1561 void do_kill_file(int argc, char *argv[])
1562 {
1563         ext2_ino_t inode_num;
1564
1565         if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1566                 return;
1567
1568         kill_file_by_inode(inode_num);
1569 }
1570
1571 void do_rm(int argc, char *argv[])
1572 {
1573         int retval;
1574         ext2_ino_t inode_num;
1575         struct ext2_inode inode;
1576
1577         if (common_args_process(argc, argv, 2, 2, "rm",
1578                                 "<filename>", CHECK_FS_RW))
1579                 return;
1580
1581         retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1582         if (retval) {
1583                 com_err(argv[0], retval, "while trying to resolve filename");
1584                 return;
1585         }
1586
1587         if (debugfs_read_inode(inode_num, &inode, argv[0]))
1588                 return;
1589
1590         if (LINUX_S_ISDIR(inode.i_mode)) {
1591                 com_err(argv[0], 0, "file is a directory");
1592                 return;
1593         }
1594
1595         --inode.i_links_count;
1596         if (debugfs_write_inode(inode_num, &inode, argv[0]))
1597                 return;
1598
1599         unlink_file_by_name(argv[1]);
1600         if (inode.i_links_count == 0)
1601                 kill_file_by_inode(inode_num);
1602 }
1603
1604 struct rd_struct {
1605         ext2_ino_t      parent;
1606         int             empty;
1607 };
1608
1609 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1610                       int       entry EXT2FS_ATTR((unused)),
1611                       struct ext2_dir_entry *dirent,
1612                       int       offset EXT2FS_ATTR((unused)),
1613                       int       blocksize EXT2FS_ATTR((unused)),
1614                       char      *buf EXT2FS_ATTR((unused)),
1615                       void      *private)
1616 {
1617         struct rd_struct *rds = (struct rd_struct *) private;
1618
1619         if (dirent->inode == 0)
1620                 return 0;
1621         if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1622                 return 0;
1623         if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1624             (dirent->name[1] == '.')) {
1625                 rds->parent = dirent->inode;
1626                 return 0;
1627         }
1628         rds->empty = 0;
1629         return 0;
1630 }
1631
1632 void do_rmdir(int argc, char *argv[])
1633 {
1634         int retval;
1635         ext2_ino_t inode_num;
1636         struct ext2_inode inode;
1637         struct rd_struct rds;
1638
1639         if (common_args_process(argc, argv, 2, 2, "rmdir",
1640                                 "<filename>", CHECK_FS_RW))
1641                 return;
1642
1643         retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1644         if (retval) {
1645                 com_err(argv[0], retval, "while trying to resolve filename");
1646                 return;
1647         }
1648
1649         if (debugfs_read_inode(inode_num, &inode, argv[0]))
1650                 return;
1651
1652         if (!LINUX_S_ISDIR(inode.i_mode)) {
1653                 com_err(argv[0], 0, "file is not a directory");
1654                 return;
1655         }
1656
1657         rds.parent = 0;
1658         rds.empty = 1;
1659
1660         retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1661                                     0, rmdir_proc, &rds);
1662         if (retval) {
1663                 com_err(argv[0], retval, "while iterating over directory");
1664                 return;
1665         }
1666         if (rds.empty == 0) {
1667                 com_err(argv[0], 0, "directory not empty");
1668                 return;
1669         }
1670
1671         inode.i_links_count = 0;
1672         if (debugfs_write_inode(inode_num, &inode, argv[0]))
1673                 return;
1674
1675         unlink_file_by_name(argv[1]);
1676         kill_file_by_inode(inode_num);
1677
1678         if (rds.parent) {
1679                 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1680                         return;
1681                 if (inode.i_links_count > 1)
1682                         inode.i_links_count--;
1683                 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1684                         return;
1685         }
1686 }
1687
1688 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1689                             char *argv[] EXT2FS_ATTR((unused)))
1690 {
1691         FILE *out = stdout;
1692
1693         if (current_fs)
1694                 fprintf(out, "Open mode: read-%s\n",
1695                         current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1696         fprintf(out, "Filesystem in use: %s\n",
1697                 current_fs ? current_fs->device_name : "--none--");
1698 }
1699
1700 void do_expand_dir(int argc, char *argv[])
1701 {
1702         ext2_ino_t inode;
1703         int retval;
1704
1705         if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1706                 return;
1707
1708         retval = ext2fs_expand_dir(current_fs, inode);
1709         if (retval)
1710                 com_err("ext2fs_expand_dir", retval, 0);
1711         return;
1712 }
1713
1714 void do_features(int argc, char *argv[])
1715 {
1716         int     i;
1717
1718         if (check_fs_open(argv[0]))
1719                 return;
1720
1721         if ((argc != 1) && check_fs_read_write(argv[0]))
1722                 return;
1723         for (i=1; i < argc; i++) {
1724                 if (e2p_edit_feature(argv[i],
1725                                      &current_fs->super->s_feature_compat, 0))
1726                         com_err(argv[0], 0, "Unknown feature: %s\n",
1727                                 argv[i]);
1728                 else
1729                         ext2fs_mark_super_dirty(current_fs);
1730         }
1731         print_features(current_fs->super, stdout);
1732 }
1733
1734 void do_bmap(int argc, char *argv[])
1735 {
1736         ext2_ino_t      ino;
1737         blk_t           blk, pblk;
1738         int             err;
1739         errcode_t       errcode;
1740
1741         if (common_args_process(argc, argv, 3, 3, argv[0],
1742                                 "<file> logical_blk", 0))
1743                 return;
1744
1745         ino = string_to_inode(argv[1]);
1746         if (!ino)
1747                 return;
1748         blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
1749
1750         errcode = ext2fs_bmap(current_fs, ino, 0, 0, 0, blk, &pblk);
1751         if (errcode) {
1752                 com_err("argv[0]", errcode,
1753                         "while mapping logical block %u\n", blk);
1754                 return;
1755         }
1756         printf("%u\n", pblk);
1757 }
1758
1759 void do_imap(int argc, char *argv[])
1760 {
1761         ext2_ino_t      ino;
1762         unsigned long   group, block, block_nr, offset;
1763
1764         if (common_args_process(argc, argv, 2, 2, argv[0],
1765                                 "<file>", 0))
1766                 return;
1767         ino = string_to_inode(argv[1]);
1768         if (!ino)
1769                 return;
1770
1771         group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
1772         offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
1773                 EXT2_INODE_SIZE(current_fs->super);
1774         block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
1775         if (!current_fs->group_desc[(unsigned)group].bg_inode_table) {
1776                 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
1777                         group);
1778                 return;
1779         }
1780         block_nr = current_fs->group_desc[(unsigned)group].bg_inode_table +
1781                 block;
1782         offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
1783
1784         printf("Inode %d is part of block group %lu\n"
1785                "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
1786                block_nr, offset);
1787
1788 }
1789
1790 void do_set_current_time(int argc, char *argv[])
1791 {
1792         time_t now;
1793
1794         if (common_args_process(argc, argv, 2, 2, argv[0],
1795                                 "<time>", 0))
1796                 return;
1797
1798         now = string_to_time(argv[1]);
1799         if (now == ((time_t) -1)) {
1800                 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
1801                         argv[1]);
1802                 return;
1803
1804         } else {
1805                 printf("Setting current time to %s\n", time_to_string(now));
1806                 current_fs->now = now;
1807         }
1808 }
1809
1810 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
1811 {
1812         int compat, bit, ret;
1813         unsigned int feature_mask;
1814
1815         if (name) {
1816                 if (feature_type == E2P_FS_FEATURE)
1817                         ret = e2p_string2feature(name, &compat, &feature_mask);
1818                 else
1819                         ret = e2p_jrnl_string2feature(name, &compat,
1820                                                       &feature_mask);
1821                 if (ret)
1822                         return ret;
1823
1824                 if (!(supp[compat] & feature_mask))
1825                         return 1;
1826         } else {
1827                 for (compat = 0; compat < 3; compat++) {
1828                         for (bit = 0, feature_mask = 1; bit < 32;
1829                              bit++, feature_mask <<= 1) {
1830                                 if (supp[compat] & feature_mask) {
1831                                         if (feature_type == E2P_FS_FEATURE)
1832                                                 fprintf(stdout, " %s",
1833                                                 e2p_feature2string(compat,
1834                                                 feature_mask));
1835                                         else
1836                                                 fprintf(stdout, " %s",
1837                                                 e2p_jrnl_feature2string(compat,
1838                                                 feature_mask));
1839                                 }
1840                         }
1841                 }
1842                 fprintf(stdout, "\n");
1843         }
1844
1845         return 0;
1846 }
1847
1848 void do_supported_features(int argc, char *argv[])
1849 {
1850         int     i, j, ret;
1851         __u32   supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
1852                             EXT2_LIB_FEATURE_INCOMPAT_SUPP,
1853                             EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
1854         __u32   jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
1855                                  JFS_KNOWN_INCOMPAT_FEATURES,
1856                                  JFS_KNOWN_ROCOMPAT_FEATURES };
1857
1858         if (argc > 1) {
1859                 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
1860                 if (ret) {
1861                         ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
1862                                                 argv[1]);
1863                 }
1864                 if (ret)
1865                         com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
1866                 else
1867                         fprintf(stdout, "Supported feature: %s\n", argv[1]);
1868         } else {
1869                 fprintf(stdout, "Supported features:");
1870                 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
1871                 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
1872         }
1873 }
1874
1875 static int source_file(const char *cmd_file, int sci_idx)
1876 {
1877         FILE            *f;
1878         char            buf[256];
1879         char            *cp;
1880         int             exit_status = 0;
1881         int             retval;
1882
1883         if (strcmp(cmd_file, "-") == 0)
1884                 f = stdin;
1885         else {
1886                 f = fopen(cmd_file, "r");
1887                 if (!f) {
1888                         perror(cmd_file);
1889                         exit(1);
1890                 }
1891         }
1892         fflush(stdout);
1893         fflush(stderr);
1894         setbuf(stdout, NULL);
1895         setbuf(stderr, NULL);
1896         while (!feof(f)) {
1897                 if (fgets(buf, sizeof(buf), f) == NULL)
1898                         break;
1899                 cp = strchr(buf, '\n');
1900                 if (cp)
1901                         *cp = 0;
1902                 cp = strchr(buf, '\r');
1903                 if (cp)
1904                         *cp = 0;
1905                 printf("debugfs: %s\n", buf);
1906                 retval = ss_execute_line(sci_idx, buf);
1907                 if (retval) {
1908                         ss_perror(sci_idx, retval, buf);
1909                         exit_status++;
1910                 }
1911         }
1912         return exit_status;
1913 }
1914
1915 int main(int argc, char **argv)
1916 {
1917         int             retval;
1918         int             sci_idx;
1919         const char      *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
1920         int             c;
1921         int             open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
1922         char            *request = 0;
1923         int             exit_status = 0;
1924         char            *cmd_file = 0;
1925         blk_t           superblock = 0;
1926         blk_t           blocksize = 0;
1927         int             catastrophic = 0;
1928         char            *data_filename = 0;
1929
1930         if (debug_prog_name == 0)
1931                 debug_prog_name = "debugfs";
1932
1933         add_error_table(&et_ext2_error_table);
1934         fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
1935                  E2FSPROGS_VERSION, E2FSPROGS_DATE);
1936
1937         while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:")) != EOF) {
1938                 switch (c) {
1939                 case 'R':
1940                         request = optarg;
1941                         break;
1942                 case 'f':
1943                         cmd_file = optarg;
1944                         break;
1945                 case 'd':
1946                         data_filename = optarg;
1947                         break;
1948                 case 'i':
1949                         open_flags |= EXT2_FLAG_IMAGE_FILE;
1950                         break;
1951                 case 'w':
1952                         open_flags |= EXT2_FLAG_RW;
1953                         break;
1954                 case 'b':
1955                         blocksize = parse_ulong(optarg, argv[0],
1956                                                 "block size", 0);
1957                         break;
1958                 case 's':
1959                         superblock = parse_ulong(optarg, argv[0],
1960                                                  "superblock number", 0);
1961                         break;
1962                 case 'c':
1963                         catastrophic = 1;
1964                         break;
1965                 case 'V':
1966                         /* Print version number and exit */
1967                         fprintf(stderr, "\tUsing %s\n",
1968                                 error_message(EXT2_ET_BASE));
1969                         exit(0);
1970                 default:
1971                         com_err(argv[0], 0, usage, debug_prog_name);
1972                         return 1;
1973                 }
1974         }
1975         if (optind < argc)
1976                 open_filesystem(argv[optind], open_flags,
1977                                 superblock, blocksize, catastrophic,
1978                                 data_filename);
1979
1980         sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
1981                                        &debug_cmds, &retval);
1982         if (retval) {
1983                 ss_perror(sci_idx, retval, "creating invocation");
1984                 exit(1);
1985         }
1986         ss_get_readline(sci_idx);
1987
1988         (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
1989         if (retval) {
1990                 ss_perror(sci_idx, retval, "adding standard requests");
1991                 exit (1);
1992         }
1993         if (extra_cmds)
1994                 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
1995         if (retval) {
1996                 ss_perror(sci_idx, retval, "adding extra requests");
1997                 exit (1);
1998         }
1999         if (request) {
2000                 retval = 0;
2001                 retval = ss_execute_line(sci_idx, request);
2002                 if (retval) {
2003                         ss_perror(sci_idx, retval, request);
2004                         exit_status++;
2005                 }
2006         } else if (cmd_file) {
2007                 exit_status = source_file(cmd_file, sci_idx);
2008         } else {
2009                 ss_listen(sci_idx);
2010         }
2011
2012         if (current_fs)
2013                 close_filesystem();
2014
2015         remove_error_table(&et_ext2_error_table);
2016         return exit_status;
2017 }