Commit | Line | Data |
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6c74eac8 | 1 | char version[] = "@(#)main.c 2.17 (Berkeley) %G%"; |
07670f7d | 2 | |
6e884967 KM |
3 | #include <stdio.h> |
4 | #include <ctype.h> | |
4d308541 KM |
5 | #include <sys/param.h> |
6 | #include <sys/fs.h> | |
7 | #include <sys/inode.h> | |
6c6be8f1 | 8 | #include <dir.h> |
4d308541 | 9 | #include <sys/stat.h> |
6e884967 KM |
10 | #include <fstab.h> |
11 | ||
f5971be7 BJ |
12 | /* RECONSTRUCT ONLY BAD CG IN PASS 6 */ |
13 | ||
6e884967 KM |
14 | typedef int (*SIG_TYP)(); |
15 | ||
c312eebd KM |
16 | #define MAXNINDIR (MAXBSIZE / sizeof (daddr_t)) |
17 | #define MAXINOPB (MAXBSIZE / sizeof (struct dinode)) | |
b6407c9d | 18 | #define SPERB (MAXBSIZE / sizeof(short)) |
6e884967 KM |
19 | |
20 | #define MAXDUP 10 /* limit on dup blks (per inode) */ | |
21 | #define MAXBAD 10 /* limit on bad blks (per inode) */ | |
22 | ||
23 | #define USTATE 0 /* inode not allocated */ | |
24 | #define FSTATE 01 /* inode is file */ | |
25 | #define DSTATE 02 /* inode is directory */ | |
26 | #define CLEAR 03 /* inode is to be cleared */ | |
27 | ||
28 | typedef struct dinode DINODE; | |
29 | typedef struct direct DIRECT; | |
30 | ||
31 | #define ALLOC ((dp->di_mode & IFMT) != 0) | |
24a31719 | 32 | #define DIRCT ((dp->di_mode & IFMT) == IFDIR) |
6e884967 KM |
33 | #define REG ((dp->di_mode & IFMT) == IFREG) |
34 | #define BLK ((dp->di_mode & IFMT) == IFBLK) | |
35 | #define CHR ((dp->di_mode & IFMT) == IFCHR) | |
690f77ba | 36 | #define LNK ((dp->di_mode & IFMT) == IFLNK) |
ea47352d | 37 | #define SPECIAL (BLK || CHR) |
6e884967 | 38 | |
f3c028b7 | 39 | ino_t startinum; /* blk num of first in raw area */ |
6e884967 KM |
40 | |
41 | struct bufarea { | |
42 | struct bufarea *b_next; /* must be first */ | |
43 | daddr_t b_bno; | |
44 | int b_size; | |
45 | union { | |
b6407c9d | 46 | char b_buf[MAXBSIZE]; /* buffer space */ |
6e884967 | 47 | short b_lnks[SPERB]; /* link counts */ |
b6407c9d | 48 | daddr_t b_indir[MAXNINDIR]; /* indirect block */ |
6e884967 KM |
49 | struct fs b_fs; /* super block */ |
50 | struct cg b_cg; /* cylinder group */ | |
b6407c9d | 51 | struct dinode b_dinode[MAXINOPB]; /* inode block */ |
6e884967 KM |
52 | } b_un; |
53 | char b_dirty; | |
54 | }; | |
55 | ||
56 | typedef struct bufarea BUFAREA; | |
57 | ||
58 | BUFAREA inoblk; /* inode blocks */ | |
59 | BUFAREA fileblk; /* other blks in filesys */ | |
60 | BUFAREA sblk; /* file system superblock */ | |
61 | BUFAREA cgblk; | |
62 | ||
63 | #define initbarea(x) (x)->b_dirty = 0;(x)->b_bno = (daddr_t)-1 | |
64 | #define dirty(x) (x)->b_dirty = 1 | |
65 | #define inodirty() inoblk.b_dirty = 1 | |
66 | #define sbdirty() sblk.b_dirty = 1 | |
67 | #define cgdirty() cgblk.b_dirty = 1 | |
68 | ||
69 | #define dirblk fileblk.b_un | |
70 | #define sblock sblk.b_un.b_fs | |
71 | #define cgrp cgblk.b_un.b_cg | |
72 | ||
73 | struct filecntl { | |
74 | int rfdes; | |
75 | int wfdes; | |
76 | int mod; | |
77 | } dfile; /* file descriptors for filesys */ | |
78 | ||
79 | #define DUPTBLSIZE 100 /* num of dup blocks to remember */ | |
80 | daddr_t duplist[DUPTBLSIZE]; /* dup block table */ | |
81 | daddr_t *enddup; /* next entry in dup table */ | |
82 | daddr_t *muldup; /* multiple dups part of table */ | |
83 | ||
690f77ba | 84 | #define MAXLNCNT 50 /* num zero link cnts to remember */ |
6e884967 KM |
85 | ino_t badlncnt[MAXLNCNT]; /* table of inos with zero link cnts */ |
86 | ino_t *badlnp; /* next entry in table */ | |
87 | ||
88 | char rawflg; | |
89 | char nflag; /* assume a no response */ | |
90 | char yflag; /* assume a yes response */ | |
91 | int bflag; /* location of alternate super block */ | |
6994bf5d | 92 | int debug; /* output debugging info */ |
6e884967 KM |
93 | char preen; /* just fix normal inconsistencies */ |
94 | char rplyflag; /* any questions asked? */ | |
95 | char hotroot; /* checking root device */ | |
96 | char fixcg; /* corrupted free list bit maps */ | |
97 | ||
79f5f76a | 98 | char *blockmap; /* ptr to primary blk allocation map */ |
6e884967 KM |
99 | char *freemap; /* ptr to secondary blk allocation map */ |
100 | char *statemap; /* ptr to inode state table */ | |
101 | short *lncntp; /* ptr to link count table */ | |
102 | ||
103 | char *pathp; /* pointer to pathname position */ | |
104 | char *thisname; /* ptr to current pathname component */ | |
105 | char *srchname; /* name being searched for in dir */ | |
24a31719 | 106 | char pathname[BUFSIZ]; |
6e884967 KM |
107 | |
108 | char *lfname = "lost+found"; | |
109 | ||
110 | ino_t inum; /* inode we are currently working on */ | |
6c6be8f1 | 111 | ino_t dnum; /* directory inode currently being worked on */ |
6e884967 KM |
112 | ino_t imax; /* number of inodes */ |
113 | ino_t parentdir; /* i number of parent directory */ | |
114 | ino_t lastino; /* hiwater mark of inodes */ | |
115 | ino_t lfdir; /* lost & found directory */ | |
116 | ino_t orphan; /* orphaned inode */ | |
117 | ||
118 | off_t filsize; /* num blks seen in file */ | |
119 | off_t maxblk; /* largest logical blk in file */ | |
79f5f76a | 120 | off_t bmapsz; /* num chars in blockmap */ |
6e884967 KM |
121 | |
122 | daddr_t n_ffree; /* number of small free blocks */ | |
123 | daddr_t n_bfree; /* number of large free blocks */ | |
124 | daddr_t n_blks; /* number of blocks used */ | |
125 | daddr_t n_files; /* number of files seen */ | |
126 | daddr_t n_index; | |
127 | daddr_t n_bad; | |
128 | daddr_t fmax; /* number of blocks in the volume */ | |
129 | ||
130 | daddr_t badblk; | |
131 | daddr_t dupblk; | |
132 | ||
133 | int inosumbad; | |
134 | int offsumbad; | |
f3c028b7 | 135 | int frsumbad; |
184d432f | 136 | int sbsumbad; |
6e884967 | 137 | |
6e884967 KM |
138 | #define zapino(x) (*(x) = zino) |
139 | struct dinode zino; | |
140 | ||
79f5f76a KM |
141 | #define setbmap(x) setbit(blockmap, x) |
142 | #define getbmap(x) isset(blockmap, x) | |
143 | #define clrbmap(x) clrbit(blockmap, x) | |
6e884967 KM |
144 | |
145 | #define setfmap(x) setbit(freemap, x) | |
146 | #define getfmap(x) isset(freemap, x) | |
147 | #define clrfmap(x) clrbit(freemap, x) | |
148 | ||
6e884967 KM |
149 | #define DATA 1 |
150 | #define ADDR 0 | |
151 | ||
152 | #define ALTERD 010 | |
153 | #define KEEPON 04 | |
154 | #define SKIP 02 | |
155 | #define STOP 01 | |
156 | ||
157 | int (*signal())(); | |
158 | long lseek(); | |
159 | time_t time(); | |
160 | DINODE *ginode(); | |
161 | BUFAREA *getblk(); | |
162 | int dirscan(); | |
163 | int findino(); | |
164 | int catch(); | |
165 | int mkentry(); | |
166 | int chgdd(); | |
d2c95d76 | 167 | int pass1check(), pass1bcheck(), pass2check(), pass4check(), pass5check(); |
6e884967 KM |
168 | int (*pfunc)(); |
169 | char *rawname(), *rindex(), *unrawname(); | |
97656a89 | 170 | extern int inside[], around[]; |
b6407c9d | 171 | extern unsigned char *fragtbl[]; |
6e884967 KM |
172 | |
173 | char *devname; | |
174 | ||
175 | main(argc, argv) | |
8ebf61ca KM |
176 | int argc; |
177 | char *argv[]; | |
6e884967 KM |
178 | { |
179 | struct fstab *fsp; | |
180 | int pid, passno, anygtr, sumstatus; | |
181 | ||
182 | sync(); | |
183 | while (--argc > 0 && **++argv == '-') { | |
184 | switch (*++*argv) { | |
185 | ||
186 | case 'p': | |
187 | preen++; | |
188 | break; | |
189 | ||
190 | case 'b': | |
191 | bflag = atoi(argv[0]+1); | |
192 | printf("Alternate super block location: %d\n", bflag); | |
193 | break; | |
194 | ||
6994bf5d KM |
195 | case 'd': |
196 | debug++; | |
197 | break; | |
198 | ||
6e884967 KM |
199 | case 'n': /* default no answer flag */ |
200 | case 'N': | |
201 | nflag++; | |
202 | yflag = 0; | |
203 | break; | |
204 | ||
205 | case 'y': /* default yes answer flag */ | |
206 | case 'Y': | |
207 | yflag++; | |
208 | nflag = 0; | |
209 | break; | |
210 | ||
211 | default: | |
212 | errexit("%c option?\n", **argv); | |
213 | } | |
214 | } | |
215 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) | |
216 | signal(SIGINT, catch); | |
217 | if (argc) { | |
218 | while (argc-- > 0) { | |
219 | hotroot = 0; | |
d2c95d76 | 220 | checkfilesys(*argv++); |
6e884967 KM |
221 | } |
222 | exit(0); | |
223 | } | |
224 | sumstatus = 0; | |
225 | passno = 1; | |
226 | do { | |
227 | anygtr = 0; | |
228 | if (setfsent() == 0) | |
229 | errexit("Can't open checklist file: %s\n", FSTAB); | |
230 | while ((fsp = getfsent()) != 0) { | |
231 | if (strcmp(fsp->fs_type, FSTAB_RW) && | |
232 | strcmp(fsp->fs_type, FSTAB_RO)) | |
233 | continue; | |
234 | if (preen == 0 || | |
235 | passno == 1 && fsp->fs_passno == passno) { | |
236 | if (blockcheck(fsp->fs_spec) == 0 && preen) | |
237 | exit(8); | |
238 | } else if (fsp->fs_passno > passno) | |
239 | anygtr = 1; | |
240 | else if (fsp->fs_passno == passno) { | |
241 | pid = fork(); | |
242 | if (pid < 0) { | |
243 | perror("fork"); | |
244 | exit(8); | |
245 | } | |
246 | if (pid == 0) | |
247 | if (blockcheck(fsp->fs_spec)==0) | |
248 | exit(8); | |
249 | else | |
250 | exit(0); | |
251 | } | |
252 | } | |
253 | if (preen) { | |
254 | int status; | |
255 | while (wait(&status) != -1) | |
256 | sumstatus |= status; | |
257 | } | |
258 | passno++; | |
259 | } while (anygtr); | |
260 | if (sumstatus) | |
261 | exit(8); | |
262 | endfsent(); | |
263 | exit(0); | |
264 | } | |
265 | ||
266 | blockcheck(name) | |
267 | char *name; | |
268 | { | |
4d308541 | 269 | struct stat stslash, stblock, stchar; |
6e884967 KM |
270 | char *raw; |
271 | int looped = 0; | |
272 | ||
273 | hotroot = 0; | |
274 | if (stat("/", &stslash) < 0){ | |
275 | error("Can't stat root\n"); | |
276 | return (0); | |
277 | } | |
278 | retry: | |
279 | if (stat(name, &stblock) < 0){ | |
280 | error("Can't stat %s\n", name); | |
281 | return (0); | |
282 | } | |
283 | if (stblock.st_mode & S_IFBLK) { | |
284 | raw = rawname(name); | |
285 | if (stat(raw, &stchar) < 0){ | |
286 | error("Can't stat %s\n", raw); | |
287 | return (0); | |
288 | } | |
289 | if (stchar.st_mode & S_IFCHR) { | |
290 | if (stslash.st_dev == stblock.st_rdev) { | |
291 | hotroot++; | |
292 | raw = unrawname(name); | |
293 | } | |
d2c95d76 | 294 | checkfilesys(raw); |
6e884967 KM |
295 | return (1); |
296 | } else { | |
297 | error("%s is not a character device\n", raw); | |
298 | return (0); | |
299 | } | |
300 | } else if (stblock.st_mode & S_IFCHR) { | |
301 | if (looped) { | |
302 | error("Can't make sense out of name %s\n", name); | |
303 | return (0); | |
304 | } | |
305 | name = unrawname(name); | |
306 | looped++; | |
307 | goto retry; | |
308 | } | |
309 | error("Can't make sense out of name %s\n", name); | |
310 | return (0); | |
311 | } | |
312 | ||
d2c95d76 BJ |
313 | checkfilesys(filesys) |
314 | char *filesys; | |
6e884967 KM |
315 | { |
316 | register DINODE *dp; | |
317 | register ino_t *blp; | |
318 | register int i, n; | |
319 | ino_t savino; | |
6bccc723 | 320 | int b, c, j, partial, ndb; |
6e884967 KM |
321 | daddr_t d, s; |
322 | ||
d2c95d76 BJ |
323 | devname = filesys; |
324 | if (setup(filesys) == 0) { | |
6e884967 | 325 | if (preen) |
d2c95d76 | 326 | pfatal("CAN'T CHECK FILE SYSTEM."); |
6e884967 KM |
327 | return; |
328 | } | |
d2c95d76 | 329 | /* 1: scan inodes tallying blocks used */ |
690f77ba KM |
330 | if (preen == 0) { |
331 | printf("** Last Mounted on %s\n", sblock.fs_fsmnt); | |
6e884967 KM |
332 | if (hotroot) |
333 | printf("** Root file system\n"); | |
334 | printf("** Phase 1 - Check Blocks and Sizes\n"); | |
335 | } | |
d2c95d76 BJ |
336 | pass1(); |
337 | ||
f5971be7 | 338 | /* 1b: locate first references to duplicates, if any */ |
d2c95d76 BJ |
339 | if (enddup != &duplist[0]) { |
340 | if (preen) | |
341 | pfatal("INTERNAL ERROR: dups with -p"); | |
342 | printf("** Phase 1b - Rescan For More DUPS\n"); | |
343 | pass1b(); | |
344 | } | |
345 | ||
346 | /* 2: traverse directories to check reference counts */ | |
347 | if (preen == 0) | |
348 | printf("** Phase 2 - Check Pathnames\n"); | |
349 | pass2(); | |
350 | ||
351 | /* 3 */ | |
352 | if (preen == 0) | |
353 | printf("** Phase 3 - Check Connectivity\n"); | |
354 | pass3(); | |
355 | ||
356 | /* 4 */ | |
357 | if (preen == 0) | |
358 | printf("** Phase 4 - Check Reference Counts\n"); | |
359 | pass4(); | |
360 | ||
361 | /* 5 */ | |
362 | if (preen == 0) | |
363 | printf("** Phase 5 - Check Cyl groups\n"); | |
364 | pass5(); | |
365 | ||
366 | if (fixcg) { | |
367 | if (preen == 0) | |
368 | printf("** Phase 6 - Salvage Cylinder Groups\n"); | |
369 | makecg(); | |
370 | n_ffree = sblock.fs_cstotal.cs_nffree; | |
371 | n_bfree = sblock.fs_cstotal.cs_nbfree; | |
372 | } | |
373 | ||
374 | pwarn("%d files, %d used, %d free (%d frags, %d blocks)\n", | |
375 | n_files, n_blks - howmany(sblock.fs_cssize, sblock.fs_fsize), | |
376 | n_ffree + sblock.fs_frag * n_bfree, n_ffree, n_bfree); | |
377 | if (dfile.mod) { | |
378 | time(&sblock.fs_time); | |
379 | sbdirty(); | |
380 | } | |
381 | ckfini(); | |
382 | free(blockmap); | |
383 | free(freemap); | |
384 | free(statemap); | |
385 | free(lncntp); | |
f5971be7 | 386 | if (dfile.mod) { |
d2c95d76 | 387 | if (preen) { |
f5971be7 BJ |
388 | if (hotroot) |
389 | exit(4); | |
390 | } else { | |
d2c95d76 BJ |
391 | printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); |
392 | if (hotroot) { | |
f5971be7 | 393 | printf("\n***** BOOT UNIX (NO SYNC!) *****\n"); |
d2c95d76 BJ |
394 | exit(4); |
395 | } | |
d2c95d76 | 396 | } |
f5971be7 BJ |
397 | } |
398 | sync(); /* ??? */ | |
399 | } | |
400 | ||
401 | setup(dev) | |
402 | char *dev; | |
403 | { | |
404 | dev_t rootdev; | |
405 | struct stat statb; | |
406 | int super = bflag ? bflag : SBLOCK; | |
407 | int i, j, size; | |
408 | int c, d, cgd; | |
409 | ||
410 | bflag = 0; | |
411 | if (stat("/", &statb) < 0) | |
412 | errexit("Can't stat root\n"); | |
413 | rootdev = statb.st_dev; | |
414 | if (stat(dev, &statb) < 0) { | |
415 | error("Can't stat %s\n", dev); | |
416 | return (0); | |
417 | } | |
418 | rawflg = 0; | |
419 | if ((statb.st_mode & S_IFMT) == S_IFBLK) | |
420 | ; | |
421 | else if ((statb.st_mode & S_IFMT) == S_IFCHR) | |
422 | rawflg++; | |
423 | else { | |
424 | if (reply("file is not a block or character device; OK") == 0) | |
425 | return (0); | |
426 | } | |
427 | if (rootdev == statb.st_rdev) | |
428 | hotroot++; | |
429 | if ((dfile.rfdes = open(dev, 0)) < 0) { | |
430 | error("Can't open %s\n", dev); | |
431 | return (0); | |
432 | } | |
433 | if (preen == 0) | |
434 | printf("** %s", dev); | |
435 | if (nflag || (dfile.wfdes = open(dev, 1)) < 0) { | |
436 | dfile.wfdes = -1; | |
437 | if (preen) | |
438 | pfatal("NO WRITE ACCESS"); | |
439 | printf(" (NO WRITE)"); | |
440 | } | |
441 | if (preen == 0) | |
442 | printf("\n"); | |
443 | fixcg = 0; inosumbad = 0; offsumbad = 0; frsumbad = 0; sbsumbad = 0; | |
444 | dfile.mod = 0; | |
445 | n_files = n_blks = n_ffree = n_bfree = 0; | |
446 | muldup = enddup = &duplist[0]; | |
447 | badlnp = &badlncnt[0]; | |
448 | lfdir = 0; | |
449 | rplyflag = 0; | |
450 | initbarea(&sblk); | |
451 | initbarea(&fileblk); | |
452 | initbarea(&inoblk); | |
453 | initbarea(&cgblk); | |
454 | /* | |
455 | * Read in the super block and its summary info. | |
456 | */ | |
457 | if (bread(&dfile, &sblock, super, SBSIZE) == 0) | |
458 | return (0); | |
459 | sblk.b_bno = super; | |
460 | sblk.b_size = SBSIZE; | |
461 | /* | |
462 | * run a few consistency checks of the super block | |
463 | */ | |
464 | if (sblock.fs_magic != FS_MAGIC) | |
465 | { badsb("MAGIC NUMBER WRONG"); return (0); } | |
466 | if (sblock.fs_ncg < 1) | |
467 | { badsb("NCG OUT OF RANGE"); return (0); } | |
468 | if (sblock.fs_cpg < 1 || sblock.fs_cpg > MAXCPG) | |
469 | { badsb("CPG OUT OF RANGE"); return (0); } | |
470 | if (sblock.fs_nsect < 1) | |
471 | { badsb("NSECT < 1"); return (0); } | |
472 | if (sblock.fs_ntrak < 1) | |
473 | { badsb("NTRAK < 1"); return (0); } | |
474 | if (sblock.fs_spc != sblock.fs_nsect * sblock.fs_ntrak) | |
475 | { badsb("SPC DOES NOT JIVE w/NTRAK*NSECT"); return (0); } | |
476 | if (sblock.fs_ipg % INOPB(&sblock)) | |
477 | { badsb("INODES NOT MULTIPLE OF A BLOCK"); return (0); } | |
478 | if (cgdmin(&sblock, 0) >= sblock.fs_cpg * sblock.fs_spc / NSPF(&sblock)) | |
479 | { badsb("IMPLIES MORE INODE THAN DATA BLOCKS"); return (0); } | |
480 | if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl || | |
481 | (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl) | |
482 | { badsb("NCYL DOES NOT JIVE WITH NCG*CPG"); return (0); } | |
483 | if (sblock.fs_fpg != sblock.fs_cpg * sblock.fs_spc / NSPF(&sblock)) | |
484 | { badsb("FPG DOES NOT JIVE WITH CPG & SPC"); return (0); } | |
485 | if (sblock.fs_size * NSPF(&sblock) <= | |
486 | (sblock.fs_ncyl - 1) * sblock.fs_spc) | |
487 | { badsb("SIZE PREPOSTEROUSLY SMALL"); return (0); } | |
488 | if (sblock.fs_size * NSPF(&sblock) > sblock.fs_ncyl * sblock.fs_spc) | |
489 | { badsb("SIZE PREPOSTEROUSLY LARGE"); return (0); } | |
490 | /* rest we COULD repair... */ | |
491 | if (sblock.fs_cgsize != fragroundup(&sblock, | |
492 | sizeof(struct cg) + howmany(sblock.fs_fpg, NBBY))) | |
493 | { badsb("CGSIZE INCORRECT"); return (0); } | |
494 | if (sblock.fs_cssize != | |
495 | fragroundup(&sblock, sblock.fs_ncg * sizeof(struct csum))) | |
496 | { badsb("CSSIZE INCORRECT"); return (0); } | |
497 | fmax = sblock.fs_size; | |
498 | imax = sblock.fs_ncg * sblock.fs_ipg; | |
499 | n_bad = cgsblock(&sblock, 0); /* boot block plus dedicated sblock */ | |
500 | /* | |
501 | * read in the summary info. | |
502 | */ | |
503 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { | |
504 | size = sblock.fs_cssize - i < sblock.fs_bsize ? | |
505 | sblock.fs_cssize - i : sblock.fs_bsize; | |
506 | sblock.fs_csp[j] = (struct csum *)calloc(1, size); | |
507 | bread(&dfile, (char *)sblock.fs_csp[j], | |
508 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), | |
509 | size); | |
510 | } | |
511 | /* | |
512 | * allocate and initialize the necessary maps | |
513 | */ | |
514 | bmapsz = roundup(howmany(fmax, NBBY), sizeof(short)); | |
515 | blockmap = (char *)calloc(bmapsz, sizeof (char)); | |
516 | if (blockmap == NULL) { | |
517 | printf("cannot alloc %d bytes for blockmap\n", bmapsz); | |
518 | exit(1); | |
519 | } | |
520 | freemap = (char *)calloc(bmapsz, sizeof (char)); | |
521 | if (freemap == NULL) { | |
522 | printf("cannot alloc %d bytes for freemap\n", bmapsz); | |
523 | exit(1); | |
524 | } | |
525 | statemap = (char *)calloc(imax+1, sizeof(char)); | |
526 | if (statemap == NULL) { | |
527 | printf("cannot alloc %d bytes for statemap\n", imax + 1); | |
528 | exit(1); | |
529 | } | |
530 | lncntp = (short *)calloc(imax+1, sizeof(short)); | |
531 | if (lncntp == NULL) { | |
532 | printf("cannot alloc %d bytes for lncntp\n", | |
533 | (imax + 1) * sizeof(short)); | |
534 | exit(1); | |
535 | } | |
536 | for (c = 0; c < sblock.fs_ncg; c++) { | |
537 | cgd = cgdmin(&sblock, c); | |
538 | if (c == 0) { | |
539 | d = cgbase(&sblock, c); | |
540 | cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); | |
541 | } else | |
542 | d = cgsblock(&sblock, c); | |
543 | for (; d < cgd; d++) | |
544 | setbmap(d); | |
545 | } | |
546 | ||
547 | startinum = imax + 1; | |
548 | return (1); | |
549 | ||
550 | badsb: | |
551 | ckfini(); | |
552 | return (0); | |
d2c95d76 BJ |
553 | } |
554 | ||
555 | pass1() | |
556 | { | |
557 | register int c, i, n, j; | |
558 | register DINODE *dp; | |
559 | int savino, ndb, partial; | |
560 | ||
561 | pfunc = pass1check; | |
6e884967 | 562 | inum = 0; |
bf541624 | 563 | n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 564 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 565 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 566 | continue; |
f5971be7 BJ |
567 | if (cgrp.cg_magic != CG_MAGIC) { |
568 | pfatal("cg %d: bad magic number\n", c); | |
569 | bzero((caddr_t)&cgrp, sblock.fs_cgsize); | |
570 | } | |
6e884967 | 571 | n = 0; |
f3c028b7 KM |
572 | for (i = 0; i < sblock.fs_ipg; i++, inum++) { |
573 | dp = ginode(); | |
574 | if (dp == NULL) | |
575 | continue; | |
bf4c734c | 576 | n++; |
6e884967 KM |
577 | if (ALLOC) { |
578 | if (!isset(cgrp.cg_iused, i)) { | |
6994bf5d KM |
579 | if (debug) |
580 | printf("%d bad, not used\n", | |
581 | inum); | |
6e884967 KM |
582 | inosumbad++; |
583 | } | |
bf4c734c | 584 | n--; |
6e884967 | 585 | lastino = inum; |
6bccc723 KM |
586 | if (ftypeok(dp) == 0) |
587 | goto unknown; | |
67272100 KM |
588 | if (dp->di_size < 0) { |
589 | if (debug) | |
590 | printf("bad size %d:", | |
591 | dp->di_size); | |
6bccc723 | 592 | goto unknown; |
67272100 | 593 | } |
6bccc723 KM |
594 | ndb = howmany(dp->di_size, sblock.fs_bsize); |
595 | if (SPECIAL) | |
596 | ndb++; | |
597 | for (j = ndb; j < NDADDR; j++) | |
67272100 KM |
598 | if (dp->di_db[j] != 0) { |
599 | if (debug) | |
600 | printf("bad direct addr:"); | |
6bccc723 | 601 | goto unknown; |
67272100 | 602 | } |
6bccc723 KM |
603 | for (j = 0, ndb -= NDADDR; ndb > 0; j++) |
604 | ndb /= NINDIR(&sblock); | |
605 | for (; j < NIADDR; j++) | |
67272100 KM |
606 | if (dp->di_ib[j] != 0) { |
607 | if (debug) | |
608 | printf("bad indirect addr:"); | |
6bccc723 | 609 | goto unknown; |
67272100 | 610 | } |
6e884967 | 611 | n_files++; |
f5262822 BJ |
612 | lncntp[inum] = dp->di_nlink; |
613 | if (dp->di_nlink <= 0) { | |
6e884967 KM |
614 | if (badlnp < &badlncnt[MAXLNCNT]) |
615 | *badlnp++ = inum; | |
616 | else { | |
617 | pfatal("LINK COUNT TABLE OVERFLOW"); | |
618 | if (reply("CONTINUE") == 0) | |
619 | errexit(""); | |
620 | } | |
621 | } | |
f5262822 | 622 | statemap[inum] = DIRCT ? DSTATE : FSTATE; |
6e884967 KM |
623 | badblk = dupblk = 0; filsize = 0; maxblk = 0; |
624 | ckinode(dp, ADDR); | |
6bccc723 KM |
625 | continue; |
626 | unknown: | |
627 | pfatal("UNKNOWN FILE TYPE I=%u", inum); | |
628 | if (reply("CLEAR") == 1) { | |
629 | zapino(dp); | |
630 | inodirty(); | |
631 | inosumbad++; | |
632 | } | |
6e884967 | 633 | } else { |
6e884967 | 634 | if (isset(cgrp.cg_iused, i)) { |
6994bf5d KM |
635 | if (debug) |
636 | printf("%d bad, marked used\n", | |
637 | inum); | |
6e884967 | 638 | inosumbad++; |
f3c028b7 | 639 | n--; |
6e884967 | 640 | } |
6bccc723 KM |
641 | partial = 0; |
642 | for (j = 0; j < NDADDR; j++) | |
643 | if (dp->di_db[j] != 0) | |
644 | partial++; | |
645 | for (j = 0; j < NIADDR; j++) | |
646 | if (dp->di_ib[j] != 0) | |
647 | partial++; | |
648 | if (partial || dp->di_mode != 0 || | |
649 | dp->di_size != 0) { | |
6e884967 KM |
650 | pfatal("PARTIALLY ALLOCATED INODE I=%u", inum); |
651 | if (reply("CLEAR") == 1) { | |
652 | zapino(dp); | |
653 | inodirty(); | |
654 | inosumbad++; | |
655 | } | |
656 | } | |
657 | } | |
658 | } | |
0947395d | 659 | if (n != cgrp.cg_cs.cs_nifree) { |
6994bf5d | 660 | if (debug) |
bf4c734c | 661 | printf("cg[%d].cg_cs.cs_nifree is %d; calc %d\n", |
6994bf5d | 662 | c, cgrp.cg_cs.cs_nifree, n); |
6e884967 KM |
663 | inosumbad++; |
664 | } | |
184d432f KM |
665 | if (cgrp.cg_cs.cs_nbfree != sblock.fs_cs(&sblock, c).cs_nbfree |
666 | || cgrp.cg_cs.cs_nffree != sblock.fs_cs(&sblock, c).cs_nffree | |
667 | || cgrp.cg_cs.cs_nifree != sblock.fs_cs(&sblock, c).cs_nifree | |
668 | || cgrp.cg_cs.cs_ndir != sblock.fs_cs(&sblock, c).cs_ndir) | |
669 | sbsumbad++; | |
6e884967 | 670 | } |
d2c95d76 BJ |
671 | } |
672 | ||
673 | pass1check(blk, size) | |
674 | daddr_t blk; | |
675 | int size; | |
676 | { | |
677 | register daddr_t *dlp; | |
678 | int res = KEEPON; | |
f5971be7 | 679 | int anyout; |
d2c95d76 | 680 | |
f5971be7 | 681 | anyout = outrange(blk, size); |
d2c95d76 | 682 | for (; size > 0; blk++, size--) { |
f5971be7 | 683 | if (anyout && outrange(blk, 1)) { |
d2c95d76 BJ |
684 | blkerr("BAD", blk); |
685 | if (++badblk >= MAXBAD) { | |
686 | pwarn("EXCESSIVE BAD BLKS I=%u", inum); | |
687 | if (preen) | |
688 | printf(" (SKIPPING)\n"); | |
689 | else if (reply("CONTINUE") == 0) | |
690 | errexit(""); | |
691 | return (STOP); | |
692 | } | |
693 | res = SKIP; | |
694 | } else if (getbmap(blk)) { | |
695 | blkerr("DUP", blk); | |
696 | if (++dupblk >= MAXDUP) { | |
697 | pwarn("EXCESSIVE DUP BLKS I=%u", inum); | |
698 | if (preen) | |
699 | printf(" (SKIPPING)\n"); | |
700 | else if (reply("CONTINUE") == 0) | |
701 | errexit(""); | |
702 | return (STOP); | |
703 | } | |
704 | if (enddup >= &duplist[DUPTBLSIZE]) { | |
705 | pfatal("DUP TABLE OVERFLOW."); | |
706 | if (reply("CONTINUE") == 0) | |
707 | errexit(""); | |
708 | return (STOP); | |
709 | } | |
710 | for (dlp = duplist; dlp < muldup; dlp++) | |
711 | if (*dlp == blk) { | |
712 | *enddup++ = blk; | |
713 | break; | |
714 | } | |
715 | if (dlp >= muldup) { | |
716 | *enddup++ = *muldup; | |
717 | *muldup++ = blk; | |
f3c028b7 | 718 | } |
d2c95d76 BJ |
719 | } else { |
720 | n_blks++; | |
721 | setbmap(blk); | |
722 | } | |
723 | filsize++; | |
724 | } | |
725 | return (res); | |
726 | } | |
727 | ||
728 | pass1b() | |
729 | { | |
730 | register int c, i; | |
731 | register DINODE *dp; | |
732 | ||
733 | pfunc = pass1bcheck; | |
734 | inum = 0; | |
735 | for (c = 0; c < sblock.fs_ncg; c++) { | |
736 | for (i = 0; i < sblock.fs_ipg; i++, inum++) { | |
737 | dp = ginode(); | |
738 | if (dp == NULL) | |
739 | continue; | |
f5262822 | 740 | if (statemap[inum] != USTATE && |
d2c95d76 BJ |
741 | (ckinode(dp, ADDR) & STOP)) |
742 | goto out1b; | |
6e884967 KM |
743 | } |
744 | } | |
745 | out1b: | |
f3c028b7 | 746 | flush(&dfile, &inoblk); |
d2c95d76 BJ |
747 | } |
748 | ||
749 | pass1bcheck(blk, size) | |
750 | daddr_t blk; | |
751 | int size; | |
752 | { | |
753 | register daddr_t *dlp; | |
754 | int res = KEEPON; | |
755 | ||
756 | for (; size > 0; blk++, size--) { | |
f5971be7 | 757 | if (outrange(blk, 1)) |
d2c95d76 BJ |
758 | res = SKIP; |
759 | for (dlp = duplist; dlp < muldup; dlp++) | |
760 | if (*dlp == blk) { | |
761 | blkerr("DUP", blk); | |
762 | *dlp = *--muldup; | |
763 | *muldup = blk; | |
764 | if (muldup == duplist) | |
765 | return (STOP); | |
766 | } | |
767 | } | |
768 | return (res); | |
769 | } | |
770 | ||
771 | pass2() | |
772 | { | |
773 | register DINODE *dp; | |
774 | ||
6e884967 KM |
775 | inum = ROOTINO; |
776 | thisname = pathp = pathname; | |
d2c95d76 | 777 | pfunc = pass2check; |
f5262822 | 778 | switch (statemap[inum]) { |
6e884967 KM |
779 | |
780 | case USTATE: | |
781 | errexit("ROOT INODE UNALLOCATED. TERMINATING.\n"); | |
782 | ||
783 | case FSTATE: | |
784 | pfatal("ROOT INODE NOT DIRECTORY"); | |
785 | if (reply("FIX") == 0 || (dp = ginode()) == NULL) | |
786 | errexit(""); | |
787 | dp->di_mode &= ~IFMT; | |
788 | dp->di_mode |= IFDIR; | |
789 | inodirty(); | |
790 | inosumbad++; | |
f5262822 | 791 | statemap[inum] = DSTATE; |
6e884967 KM |
792 | /* fall into ... */ |
793 | ||
794 | case DSTATE: | |
795 | descend(); | |
796 | break; | |
797 | ||
798 | case CLEAR: | |
799 | pfatal("DUPS/BAD IN ROOT INODE"); | |
800 | printf("\n"); | |
801 | if (reply("CONTINUE") == 0) | |
802 | errexit(""); | |
f5262822 | 803 | statemap[inum] = DSTATE; |
6e884967 KM |
804 | descend(); |
805 | } | |
d2c95d76 BJ |
806 | } |
807 | ||
808 | pass2check(dirp) | |
809 | register DIRECT *dirp; | |
810 | { | |
811 | register char *p; | |
812 | register n; | |
813 | DINODE *dp; | |
814 | ||
815 | if ((inum = dirp->d_ino) == 0) | |
816 | return (KEEPON); | |
817 | thisname = pathp; | |
818 | for (p = dirp->d_name; p < &dirp->d_name[MAXNAMLEN]; ) | |
819 | if ((*pathp++ = *p++) == 0) { | |
820 | --pathp; | |
821 | break; | |
822 | } | |
823 | *pathp = 0; | |
824 | n = 0; | |
825 | if (inum > imax || inum <= 0) | |
826 | n = direrr("I OUT OF RANGE"); | |
827 | else { | |
828 | again: | |
f5262822 | 829 | switch (statemap[inum]) { |
d2c95d76 BJ |
830 | case USTATE: |
831 | n = direrr("UNALLOCATED"); | |
832 | break; | |
833 | ||
834 | case CLEAR: | |
835 | if ((n = direrr("DUP/BAD")) == 1) | |
836 | break; | |
837 | if ((dp = ginode()) == NULL) | |
838 | break; | |
f5262822 | 839 | statemap[inum] = DIRCT ? DSTATE : FSTATE; |
d2c95d76 BJ |
840 | goto again; |
841 | ||
842 | case FSTATE: | |
f5262822 | 843 | lncntp[inum]--; |
d2c95d76 BJ |
844 | break; |
845 | ||
846 | case DSTATE: | |
f5262822 | 847 | lncntp[inum]--; |
d2c95d76 BJ |
848 | descend(); |
849 | break; | |
850 | } | |
851 | } | |
852 | pathp = thisname; | |
853 | if (n == 0) | |
854 | return (KEEPON); | |
855 | dirp->d_ino = 0; | |
856 | return (KEEPON|ALTERD); | |
857 | } | |
858 | ||
859 | pass3() | |
860 | { | |
861 | ino_t savino; | |
862 | register DINODE *dp; | |
863 | ||
6e884967 | 864 | for (inum = ROOTINO; inum <= lastino; inum++) { |
f5262822 | 865 | if (statemap[inum] == DSTATE) { |
6e884967 KM |
866 | pfunc = findino; |
867 | srchname = ".."; | |
868 | savino = inum; | |
869 | do { | |
870 | orphan = inum; | |
871 | if ((dp = ginode()) == NULL) | |
872 | break; | |
873 | filsize = dp->di_size; | |
874 | parentdir = 0; | |
875 | ckinode(dp, DATA); | |
876 | if ((inum = parentdir) == 0) | |
877 | break; | |
f5262822 | 878 | } while (statemap[inum] == DSTATE); |
6e884967 KM |
879 | inum = orphan; |
880 | if (linkup() == 1) { | |
881 | thisname = pathp = pathname; | |
882 | *pathp++ = '?'; | |
d2c95d76 | 883 | pfunc = pass2check; |
6e884967 KM |
884 | descend(); |
885 | } | |
886 | inum = savino; | |
887 | } | |
888 | } | |
d2c95d76 | 889 | } |
6e884967 | 890 | |
d2c95d76 BJ |
891 | pass4() |
892 | { | |
893 | register int n; | |
894 | register ino_t *blp; | |
895 | ||
896 | pfunc = pass4check; | |
897 | for (inum = ROOTINO; inum <= lastino; inum++) { | |
f5262822 | 898 | switch (statemap[inum]) { |
d2c95d76 BJ |
899 | |
900 | case FSTATE: | |
f5262822 BJ |
901 | n = lncntp[inum]; |
902 | if (n) | |
6e884967 KM |
903 | adjust((short)n); |
904 | else { | |
905 | for (blp = badlncnt;blp < badlnp; blp++) | |
906 | if (*blp == inum) { | |
907 | clri("UNREF", 1); | |
908 | break; | |
909 | } | |
910 | } | |
911 | break; | |
912 | ||
913 | case DSTATE: | |
914 | clri("UNREF", 1); | |
915 | break; | |
916 | ||
917 | case CLEAR: | |
918 | clri("BAD/DUP", 1); | |
919 | break; | |
920 | } | |
921 | } | |
8e5c1c7c | 922 | if (imax - ROOTINO - n_files != sblock.fs_cstotal.cs_nifree) { |
6e884967 KM |
923 | pwarn("FREE INODE COUNT WRONG IN SUPERBLK"); |
924 | if (preen) | |
925 | printf(" (FIXED)\n"); | |
926 | if (preen || reply("FIX") == 1) { | |
bf4c734c | 927 | sblock.fs_cstotal.cs_nifree = imax - ROOTINO - n_files; |
6e884967 KM |
928 | sbdirty(); |
929 | } | |
930 | } | |
931 | flush(&dfile, &fileblk); | |
d2c95d76 | 932 | } |
6e884967 | 933 | |
d2c95d76 BJ |
934 | pass4check(blk, size) |
935 | daddr_t blk; | |
936 | { | |
937 | register daddr_t *dlp; | |
938 | int res = KEEPON; | |
939 | ||
940 | for (; size > 0; blk++, size--) { | |
f5971be7 | 941 | if (outrange(blk, 1)) |
d2c95d76 BJ |
942 | res = SKIP; |
943 | else if (getbmap(blk)) { | |
944 | for (dlp = duplist; dlp < enddup; dlp++) | |
945 | if (*dlp == blk) { | |
946 | *dlp = *--enddup; | |
947 | return (KEEPON); | |
948 | } | |
949 | clrbmap(blk); | |
950 | n_blks--; | |
951 | } | |
952 | } | |
953 | return (res); | |
954 | } | |
955 | ||
956 | pass5() | |
957 | { | |
958 | register int c, n, i, b, d; | |
f5971be7 BJ |
959 | short bo[MAXCPG][NRPOS]; |
960 | long botot[MAXCPG]; | |
961 | long frsum[MAXFRAG]; | |
962 | int blk; | |
963 | daddr_t cbase; | |
964 | int blockbits = (1<<sblock.fs_frag)-1; | |
d2c95d76 BJ |
965 | |
966 | blkcpy((unsigned)bmapsz, blockmap, freemap); | |
6e884967 | 967 | dupblk = 0; |
6994bf5d | 968 | n_index = sblock.fs_ncg * (cgdmin(&sblock, 0) - cgtod(&sblock, 0)); |
6e884967 | 969 | for (c = 0; c < sblock.fs_ncg; c++) { |
f5971be7 BJ |
970 | cbase = cgbase(&sblock, c); |
971 | bzero(botot, sizeof (botot)); | |
972 | bzero(bo, sizeof (bo)); | |
973 | bzero(frsum, sizeof (frsum)); | |
f3c028b7 | 974 | /* |
bf541624 | 975 | * need to account for the super blocks |
f3c028b7 KM |
976 | * which appear (inaccurately) bad |
977 | */ | |
bf541624 | 978 | n_bad += cgtod(&sblock, c) - cgsblock(&sblock, c); |
6994bf5d | 979 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 980 | continue; |
f5971be7 BJ |
981 | if (cgrp.cg_magic != CG_MAGIC) { |
982 | pfatal("cg %d: bad magic number\n", c); | |
983 | bzero((caddr_t)&cgrp, sblock.fs_cgsize); | |
984 | } | |
b6407c9d | 985 | for (b = 0; b < sblock.fs_fpg; b += sblock.fs_frag) { |
f5971be7 BJ |
986 | blk = blkmap(&sblock, cgrp.cg_free, b); |
987 | if (blk == 0) | |
988 | continue; | |
989 | if (blk == blockbits) { | |
d2c95d76 | 990 | if (pass5check(cbase+b, sblock.fs_frag) == STOP) |
6e884967 KM |
991 | goto out5; |
992 | /* this is clumsy ... */ | |
d2c95d76 BJ |
993 | n_ffree -= sblock.fs_frag; |
994 | n_bfree++; | |
995 | botot[cbtocylno(&sblock, b)]++; | |
996 | bo[cbtocylno(&sblock, b)] | |
997 | [cbtorpos(&sblock, b)]++; | |
f5971be7 | 998 | continue; |
d2c95d76 | 999 | } |
f5971be7 BJ |
1000 | for (d = 0; d < sblock.fs_frag; d++) |
1001 | if ((blk & (1<<d)) && | |
1002 | pass5check(cbase+b+d,1) == STOP) | |
1003 | goto out5; | |
1004 | fragacct(&sblock, blk, frsum, 1); | |
6e884967 | 1005 | } |
f5971be7 BJ |
1006 | if (bcmp(cgrp.cg_frsum, frsum, sizeof (frsum))) { |
1007 | if (debug) | |
1008 | for (i = 0; i < sblock.fs_frag; i++) | |
1009 | if (cgrp.cg_frsum[i] != frsum[i]) | |
1010 | printf("cg[%d].cg_frsum[%d] have %d calc %d\n", | |
1011 | c, i, cgrp.cg_frsum[i], frsum[i]); | |
1012 | frsumbad++; | |
d2c95d76 | 1013 | } |
f5971be7 BJ |
1014 | if (bcmp(cgrp.cg_btot, botot, sizeof (botot))) { |
1015 | if (debug) | |
1016 | for (n = 0; n < sblock.fs_cpg; n++) | |
1017 | if (botot[n] != cgrp.cg_btot[n]) | |
1018 | printf("cg[%d].cg_btot[%d] have %d calc %d\n", | |
1019 | c, n, cgrp.cg_btot[n], botot[n]); | |
1020 | offsumbad++; | |
1021 | } | |
1022 | if (bcmp(cgrp.cg_b, bo, sizeof (bo))) { | |
1023 | if (debug) | |
d2c95d76 | 1024 | for (i = 0; i < NRPOS; i++) |
f5971be7 BJ |
1025 | if (bo[n][i] != cgrp.cg_b[n][i]) |
1026 | printf("cg[%d].cg_b[%d][%d] have %d calc %d\n", | |
1027 | c, n, i, cgrp.cg_b[n][i], bo[n][i]); | |
1028 | offsumbad++; | |
6e884967 KM |
1029 | } |
1030 | } | |
d2c95d76 BJ |
1031 | out5: |
1032 | if (dupblk) | |
1033 | pwarn("%d DUP BLKS IN BIT MAPS\n", dupblk); | |
1034 | if (fixcg == 0) { | |
1035 | if ((b = n_blks+n_ffree+sblock.fs_frag*n_bfree+n_index+n_bad) != fmax) { | |
1036 | pwarn("%ld BLK(S) MISSING\n", fmax - b); | |
1037 | fixcg = 1; | |
1038 | } else if (inosumbad + offsumbad + frsumbad + sbsumbad) { | |
1039 | pwarn("SUMMARY INFORMATION %s%s%s%sBAD\n", | |
1040 | inosumbad ? "(INODE FREE) " : "", | |
1041 | offsumbad ? "(BLOCK OFFSETS) " : "", | |
1042 | frsumbad ? "(FRAG SUMMARIES) " : "", | |
1043 | sbsumbad ? "(SUPER BLOCK SUMMARIES) " : ""); | |
1044 | fixcg = 1; | |
1045 | } else if (n_ffree != sblock.fs_cstotal.cs_nffree || | |
1046 | n_bfree != sblock.fs_cstotal.cs_nbfree) { | |
1047 | pwarn("FREE BLK COUNT(S) WRONG IN SUPERBLK"); | |
1048 | if (preen) | |
1049 | printf(" (FIXED)\n"); | |
1050 | if (preen || reply("FIX") == 1) { | |
1051 | sblock.fs_cstotal.cs_nffree = n_ffree; | |
1052 | sblock.fs_cstotal.cs_nbfree = n_bfree; | |
1053 | sbdirty(); | |
1054 | } | |
1055 | } | |
1056 | } | |
1057 | if (fixcg) { | |
1058 | pwarn("BAD CYLINDER GROUPS"); | |
1059 | if (preen) | |
1060 | printf(" (SALVAGED)\n"); | |
1061 | else if (reply("SALVAGE") == 0) | |
1062 | fixcg = 0; | |
1063 | } | |
6e884967 KM |
1064 | } |
1065 | ||
d2c95d76 | 1066 | pass5check(blk, size) |
6e884967 KM |
1067 | daddr_t blk; |
1068 | int size; | |
1069 | { | |
6e884967 | 1070 | |
f5971be7 BJ |
1071 | if (outrange(blk, size)) { |
1072 | fixcg = 1; | |
1073 | if (preen) | |
1074 | pfatal("BAD BLOCKS IN BIT MAPS."); | |
1075 | if (++badblk >= MAXBAD) { | |
1076 | printf("EXCESSIVE BAD BLKS IN BIT MAPS."); | |
1077 | if (reply("CONTINUE") == 0) | |
1078 | errexit(""); | |
1079 | return (STOP); | |
1080 | } | |
1081 | } | |
1082 | for (; size > 0; blk++, size--) | |
1083 | if (getfmap(blk)) { | |
6e884967 | 1084 | fixcg = 1; |
7ebb5f4e | 1085 | ++dupblk; |
6e884967 KM |
1086 | } else { |
1087 | n_ffree++; | |
1088 | setfmap(blk); | |
1089 | } | |
f5971be7 | 1090 | return (KEEPON); |
6e884967 KM |
1091 | } |
1092 | ||
d2c95d76 BJ |
1093 | ckinode(dp, flg) |
1094 | DINODE *dp; | |
1095 | register flg; | |
1096 | { | |
1097 | register daddr_t *ap; | |
1098 | register ret; | |
1099 | int (*func)(), n, ndb, size, offset; | |
1100 | ino_t number = inum; | |
1101 | DINODE dino; | |
1102 | ||
1103 | if (SPECIAL) | |
1104 | return (KEEPON); | |
1105 | dino = *dp; | |
1106 | func = (flg == ADDR) ? pfunc : dirscan; | |
1107 | ndb = howmany(dino.di_size, sblock.fs_bsize); | |
1108 | for (ap = &dino.di_db[0]; ap < &dino.di_db[NDADDR]; ap++) { | |
1109 | if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0) | |
1110 | size = numfrags(&sblock, fragroundup(&sblock, offset)); | |
1111 | else | |
1112 | size = sblock.fs_frag; | |
1113 | dnum = number; | |
1114 | if (*ap && (ret = (*func)(*ap, size)) & STOP) | |
1115 | return (ret); | |
1116 | } | |
1117 | for (ap = &dino.di_ib[0], n = 1; n <= 2; ap++, n++) { | |
1118 | dnum = number; | |
1119 | if (*ap) { | |
1120 | ret = iblock(*ap, n, flg, | |
1121 | dino.di_size - sblock.fs_bsize * NDADDR); | |
1122 | if (ret & STOP) | |
1123 | return (ret); | |
1124 | } | |
1125 | } | |
1126 | return (KEEPON); | |
1127 | } | |
1128 | ||
1129 | iblock(blk, ilevel, flg, isize) | |
1130 | daddr_t blk; | |
1131 | register ilevel; | |
1132 | int isize; | |
1133 | { | |
1134 | register daddr_t *ap; | |
1135 | register daddr_t *aplim; | |
1136 | register int i, n; | |
1137 | int (*func)(), nif; | |
1138 | BUFAREA ib; | |
1139 | ||
1140 | if (flg == ADDR) { | |
1141 | func = pfunc; | |
1142 | if (((n = (*func)(blk, sblock.fs_frag)) & KEEPON) == 0) | |
1143 | return (n); | |
1144 | } else | |
1145 | func = dirscan; | |
f5971be7 | 1146 | if (outrange(blk, sblock.fs_frag)) /* protect thyself */ |
d2c95d76 BJ |
1147 | return (SKIP); |
1148 | initbarea(&ib); | |
1149 | if (getblk(&ib, blk, sblock.fs_bsize) == NULL) | |
1150 | return (SKIP); | |
1151 | ilevel--; | |
1152 | if (ilevel == 0) { | |
1153 | nif = lblkno(&sblock, isize) + 1; | |
1154 | } else /* ilevel == 1 */ { | |
1155 | nif = isize / (sblock.fs_bsize * NINDIR(&sblock)) + 1; | |
1156 | } | |
1157 | if (nif > NINDIR(&sblock)) | |
1158 | nif = NINDIR(&sblock); | |
1159 | aplim = &ib.b_un.b_indir[nif]; | |
1160 | for (ap = ib.b_un.b_indir, i = 1; ap < aplim; ap++, i++) | |
1161 | if (*ap) { | |
1162 | if (ilevel > 0) | |
1163 | n = iblock(*ap, ilevel, flg, | |
1164 | isize - i*NINDIR(&sblock)*sblock.fs_bsize); | |
1165 | else | |
1166 | n = (*func)(*ap, sblock.fs_frag); | |
1167 | if (n & STOP) | |
1168 | return (n); | |
1169 | } | |
1170 | return (KEEPON); | |
1171 | } | |
1172 | ||
f5971be7 | 1173 | outrange(blk, cnt) |
6e884967 | 1174 | daddr_t blk; |
f5971be7 | 1175 | int cnt; |
6e884967 KM |
1176 | { |
1177 | register int c; | |
1178 | ||
f5971be7 | 1179 | if ((unsigned)(blk+cnt) > fmax) |
6e884967 | 1180 | return (1); |
f5971be7 BJ |
1181 | c = dtog(&sblock, blk); |
1182 | if (blk < cgdmin(&sblock, c)) { | |
1183 | if ((blk+cnt) > cgsblock(&sblock, c)) { | |
1184 | if (debug) { | |
1185 | printf("blk %d < cgdmin %d;", | |
1186 | blk, cgdmin(&sblock, c)); | |
1187 | printf(" blk+cnt %d > cgsbase %d\n", | |
1188 | blk+cnt, cgsblock(&sblock, c)); | |
1189 | } | |
1190 | return (1); | |
1191 | } | |
1192 | } else { | |
1193 | if ((blk+cnt) > cgbase(&sblock, c+1)) { | |
1194 | if (debug) { | |
1195 | printf("blk %d >= cgdmin %d;", | |
1196 | blk, cgdmin(&sblock, c)); | |
1197 | printf(" blk+cnt %d > sblock.fs_fpg %d\n", | |
1198 | blk+cnt, sblock.fs_fpg); | |
1199 | } | |
1200 | return (1); | |
1201 | } | |
07670f7d | 1202 | } |
6e884967 KM |
1203 | return (0); |
1204 | } | |
1205 | ||
1206 | blkerr(s, blk) | |
1207 | daddr_t blk; | |
1208 | char *s; | |
1209 | { | |
f5262822 | 1210 | |
6e884967 KM |
1211 | pfatal("%ld %s I=%u", blk, s, inum); |
1212 | printf("\n"); | |
f5262822 | 1213 | statemap[inum] = CLEAR; |
6e884967 KM |
1214 | } |
1215 | ||
1216 | descend() | |
1217 | { | |
1218 | register DINODE *dp; | |
1219 | register char *savname; | |
1220 | off_t savsize; | |
1221 | ||
f5262822 | 1222 | statemap[inum] = FSTATE; |
6e884967 KM |
1223 | if ((dp = ginode()) == NULL) |
1224 | return; | |
1225 | savname = thisname; | |
1226 | *pathp++ = '/'; | |
1227 | savsize = filsize; | |
1228 | filsize = dp->di_size; | |
1229 | ckinode(dp, DATA); | |
1230 | thisname = savname; | |
1231 | *--pathp = 0; | |
1232 | filsize = savsize; | |
1233 | } | |
1234 | ||
24a31719 KM |
1235 | struct dirstuff { |
1236 | int loc; | |
1237 | int blkno; | |
1238 | int blksiz; | |
6c6be8f1 | 1239 | ino_t number; |
cf8ac751 | 1240 | enum {DONTKNOW, NOFIX, FIX} fix; |
24a31719 KM |
1241 | }; |
1242 | ||
6e884967 | 1243 | dirscan(blk, nf) |
8ebf61ca KM |
1244 | daddr_t blk; |
1245 | int nf; | |
6e884967 | 1246 | { |
24a31719 | 1247 | register DIRECT *dp; |
24a31719 | 1248 | struct dirstuff dirp; |
754cadb5 KM |
1249 | int blksiz, dsize, n; |
1250 | char dbuf[DIRBLKSIZ]; | |
6e884967 | 1251 | |
f5971be7 | 1252 | if (outrange(blk, 1)) { |
b6407c9d | 1253 | filsize -= sblock.fs_bsize; |
6e884967 KM |
1254 | return (SKIP); |
1255 | } | |
24a31719 KM |
1256 | blksiz = nf * sblock.fs_fsize; |
1257 | dirp.loc = 0; | |
1258 | dirp.blkno = blk; | |
1259 | dirp.blksiz = blksiz; | |
690f77ba KM |
1260 | if (dirp.number != dnum) { |
1261 | dirp.number = dnum; | |
cf8ac751 | 1262 | dirp.fix = DONTKNOW; |
690f77ba | 1263 | } |
24a31719 | 1264 | for (dp = readdir(&dirp); dp != NULL; dp = readdir(&dirp)) { |
754cadb5 | 1265 | dsize = dp->d_reclen; |
d2c95d76 | 1266 | bcopy(dp, dbuf, dsize); |
754cadb5 | 1267 | if ((n = (*pfunc)(dbuf)) & ALTERD) { |
24a31719 | 1268 | if (getblk(&fileblk, blk, blksiz) != NULL) { |
d2c95d76 | 1269 | bcopy(dbuf, dp, dsize); |
8ebf61ca | 1270 | dirty(&fileblk); |
6e884967 KM |
1271 | sbdirty(); |
1272 | } else | |
1273 | n &= ~ALTERD; | |
1274 | } | |
24a31719 | 1275 | if (n & STOP) |
6e884967 KM |
1276 | return (n); |
1277 | } | |
1278 | return (filsize > 0 ? KEEPON : STOP); | |
1279 | } | |
1280 | ||
24a31719 KM |
1281 | /* |
1282 | * get next entry in a directory. | |
1283 | */ | |
1284 | DIRECT * | |
1285 | readdir(dirp) | |
1286 | register struct dirstuff *dirp; | |
1287 | { | |
754cadb5 | 1288 | register DIRECT *dp, *ndp; |
690f77ba | 1289 | long size; |
24a31719 KM |
1290 | |
1291 | if (getblk(&fileblk, dirp->blkno, dirp->blksiz) == NULL) { | |
1292 | filsize -= dirp->blksiz - dirp->loc; | |
1293 | return NULL; | |
1294 | } | |
690f77ba KM |
1295 | while (dirp->loc % DIRBLKSIZ == 0 && filsize > 0 && |
1296 | dirp->loc < dirp->blksiz) { | |
052efd62 | 1297 | dp = (DIRECT *)(dirblk.b_buf + dirp->loc); |
690f77ba KM |
1298 | if (dp->d_ino < imax && |
1299 | dp->d_namlen <= MAXNAMLEN && dp->d_namlen >= 0 && | |
1300 | dp->d_reclen > 0 && dp->d_reclen <= DIRBLKSIZ) | |
1301 | break; | |
1302 | dirp->loc += DIRBLKSIZ; | |
1303 | filsize -= DIRBLKSIZ; | |
cf8ac751 | 1304 | if (dirp->fix == DONTKNOW) { |
6c6be8f1 | 1305 | pwarn("DIRECTORY %D CORRUPTED", dirp->number); |
cf8ac751 | 1306 | dirp->fix = NOFIX; |
690f77ba | 1307 | if (preen) { |
754cadb5 | 1308 | printf(" (SALVAGED)\n"); |
cf8ac751 | 1309 | dirp->fix = FIX; |
690f77ba | 1310 | } else if (reply("SALVAGE") != 0) |
cf8ac751 | 1311 | dirp->fix = FIX; |
690f77ba | 1312 | } |
cf8ac751 | 1313 | if (dirp->fix != FIX) |
24a31719 | 1314 | continue; |
690f77ba KM |
1315 | dp->d_reclen = DIRBLKSIZ; |
1316 | dp->d_ino = 0; | |
1317 | dp->d_namlen = 0; | |
1318 | dirty(&fileblk); | |
1319 | } | |
1320 | if (filsize <= 0 || dirp->loc >= dirp->blksiz) | |
1321 | return NULL; | |
1322 | dp = (DIRECT *)(dirblk.b_buf + dirp->loc); | |
1323 | dirp->loc += dp->d_reclen; | |
1324 | filsize -= dp->d_reclen; | |
1325 | ndp = (DIRECT *)(dirblk.b_buf + dirp->loc); | |
0b2a25e4 KM |
1326 | if ((filsize <= 0 && dirp->loc % DIRBLKSIZ != 0) || |
1327 | (dirp->loc < dirp->blksiz && filsize > 0 && | |
690f77ba KM |
1328 | (ndp->d_ino >= imax || |
1329 | ndp->d_namlen > MAXNAMLEN || ndp->d_namlen < 0 || | |
1330 | ndp->d_reclen <= 0 || | |
0b2a25e4 | 1331 | ndp->d_reclen > DIRBLKSIZ - (dirp->loc % DIRBLKSIZ)))) { |
690f77ba KM |
1332 | size = DIRBLKSIZ - (dirp->loc % DIRBLKSIZ); |
1333 | dirp->loc += size; | |
1334 | filsize -= size; | |
cf8ac751 | 1335 | if (dirp->fix == DONTKNOW) { |
690f77ba | 1336 | pwarn("DIRECTORY %D CORRUPTED", dirp->number); |
cf8ac751 | 1337 | dirp->fix = NOFIX; |
690f77ba KM |
1338 | if (preen) { |
1339 | printf(" (SALVAGED)\n"); | |
cf8ac751 | 1340 | dirp->fix = FIX; |
690f77ba | 1341 | } else if (reply("SALVAGE") != 0) |
cf8ac751 | 1342 | dirp->fix = FIX; |
690f77ba | 1343 | } |
cf8ac751 | 1344 | if (dirp->fix == FIX) { |
690f77ba KM |
1345 | dp->d_reclen += size; |
1346 | dirty(&fileblk); | |
754cadb5 | 1347 | } |
24a31719 | 1348 | } |
690f77ba | 1349 | return (dp); |
24a31719 KM |
1350 | } |
1351 | ||
6e884967 | 1352 | direrr(s) |
8ebf61ca | 1353 | char *s; |
6e884967 KM |
1354 | { |
1355 | register DINODE *dp; | |
1356 | ||
1357 | pwarn("%s ", s); | |
1358 | pinode(); | |
1359 | printf("\n"); | |
1360 | if ((dp = ginode()) != NULL && ftypeok(dp)) | |
24a31719 | 1361 | pfatal("%s=%s", DIRCT?"DIR":"FILE", pathname); |
6e884967 KM |
1362 | else |
1363 | pfatal("NAME=%s", pathname); | |
1364 | return (reply("REMOVE")); | |
1365 | } | |
1366 | ||
1367 | adjust(lcnt) | |
f3c028b7 | 1368 | register short lcnt; |
6e884967 KM |
1369 | { |
1370 | register DINODE *dp; | |
1371 | ||
1372 | if ((dp = ginode()) == NULL) | |
1373 | return; | |
1374 | if (dp->di_nlink == lcnt) { | |
1375 | if (linkup() == 0) | |
1376 | clri("UNREF", 0); | |
1377 | } | |
1378 | else { | |
1379 | pwarn("LINK COUNT %s", | |
24a31719 | 1380 | (lfdir==inum)?lfname:(DIRCT?"DIR":"FILE")); |
6e884967 KM |
1381 | pinode(); |
1382 | printf(" COUNT %d SHOULD BE %d", | |
1383 | dp->di_nlink, dp->di_nlink-lcnt); | |
1384 | if (preen) { | |
1385 | if (lcnt < 0) { | |
1386 | printf("\n"); | |
1387 | preendie(); | |
1388 | } | |
1389 | printf(" (ADJUSTED)\n"); | |
1390 | } | |
1391 | if (preen || reply("ADJUST") == 1) { | |
1392 | dp->di_nlink -= lcnt; | |
1393 | inodirty(); | |
1394 | } | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | clri(s, flg) | |
8ebf61ca | 1399 | char *s; |
6e884967 KM |
1400 | { |
1401 | register DINODE *dp; | |
1402 | ||
1403 | if ((dp = ginode()) == NULL) | |
1404 | return; | |
1405 | if (flg == 1) { | |
24a31719 | 1406 | pwarn("%s %s", s, DIRCT?"DIR":"FILE"); |
6e884967 KM |
1407 | pinode(); |
1408 | } | |
1409 | if (preen || reply("CLEAR") == 1) { | |
1410 | if (preen) | |
1411 | printf(" (CLEARED)\n"); | |
1412 | n_files--; | |
d2c95d76 | 1413 | pfunc = pass4check; |
6e884967 KM |
1414 | ckinode(dp, ADDR); |
1415 | zapino(dp); | |
f5262822 | 1416 | statemap[inum] = USTATE; |
6e884967 KM |
1417 | inodirty(); |
1418 | inosumbad++; | |
1419 | } | |
1420 | } | |
1421 | ||
6e884967 KM |
1422 | badsb(s) |
1423 | char *s; | |
1424 | { | |
1425 | ||
1426 | if (preen) | |
1427 | printf("%s: ", devname); | |
1428 | printf("BAD SUPER BLOCK: %s\n", s); | |
1429 | pwarn("USE -b OPTION TO FSCK TO SPECIFY LOCATION OF AN ALTERNATE\n"); | |
1430 | pfatal("SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).\n"); | |
1431 | } | |
1432 | ||
1433 | DINODE * | |
1434 | ginode() | |
1435 | { | |
1436 | daddr_t iblk; | |
1437 | ||
f3385032 KM |
1438 | if (inum < ROOTINO || inum > imax) { |
1439 | if (debug && (inum < 0 || inum > imax)) | |
1440 | printf("inum out of range (%d)\n", inum); | |
6e884967 | 1441 | return (NULL); |
f3385032 | 1442 | } |
b6407c9d | 1443 | if (inum < startinum || inum >= startinum + INOPB(&sblock)) { |
6994bf5d | 1444 | iblk = itod(&sblock, inum); |
b6407c9d | 1445 | if (getblk(&inoblk, iblk, sblock.fs_bsize) == NULL) { |
6e884967 KM |
1446 | return (NULL); |
1447 | } | |
b6407c9d | 1448 | startinum = (inum / INOPB(&sblock)) * INOPB(&sblock); |
6e884967 | 1449 | } |
b6407c9d | 1450 | return (&inoblk.b_un.b_dinode[inum % INOPB(&sblock)]); |
6e884967 KM |
1451 | } |
1452 | ||
1453 | ftypeok(dp) | |
1454 | DINODE *dp; | |
1455 | { | |
1456 | switch (dp->di_mode & IFMT) { | |
1457 | ||
1458 | case IFDIR: | |
1459 | case IFREG: | |
1460 | case IFBLK: | |
1461 | case IFCHR: | |
ea47352d | 1462 | case IFLNK: |
6e884967 KM |
1463 | return (1); |
1464 | ||
1465 | default: | |
67272100 KM |
1466 | if (debug) |
1467 | printf("bad file type 0%o\n", dp->di_mode); | |
6e884967 KM |
1468 | return (0); |
1469 | } | |
1470 | } | |
1471 | ||
1472 | reply(s) | |
1473 | char *s; | |
1474 | { | |
1475 | char line[80]; | |
1476 | ||
1477 | if (preen) | |
1478 | pfatal("INTERNAL ERROR: GOT TO reply()"); | |
1479 | rplyflag = 1; | |
1480 | printf("\n%s? ", s); | |
1481 | if (nflag || dfile.wfdes < 0) { | |
1482 | printf(" no\n\n"); | |
1483 | return (0); | |
1484 | } | |
1485 | if (yflag) { | |
1486 | printf(" yes\n\n"); | |
1487 | return (1); | |
1488 | } | |
1489 | if (getline(stdin, line, sizeof(line)) == EOF) | |
1490 | errexit("\n"); | |
1491 | printf("\n"); | |
1492 | if (line[0] == 'y' || line[0] == 'Y') | |
1493 | return (1); | |
1494 | else | |
1495 | return (0); | |
1496 | } | |
1497 | ||
1498 | getline(fp, loc, maxlen) | |
1499 | FILE *fp; | |
1500 | char *loc; | |
1501 | { | |
1502 | register n; | |
1503 | register char *p, *lastloc; | |
1504 | ||
1505 | p = loc; | |
1506 | lastloc = &p[maxlen-1]; | |
1507 | while ((n = getc(fp)) != '\n') { | |
1508 | if (n == EOF) | |
1509 | return (EOF); | |
1510 | if (!isspace(n) && p < lastloc) | |
1511 | *p++ = n; | |
1512 | } | |
1513 | *p = 0; | |
1514 | return (p - loc); | |
1515 | } | |
1516 | ||
1517 | BUFAREA * | |
1518 | getblk(bp, blk, size) | |
1519 | daddr_t blk; | |
1520 | register BUFAREA *bp; | |
1521 | int size; | |
1522 | { | |
1523 | register struct filecntl *fcp; | |
b6407c9d | 1524 | daddr_t dblk; |
6e884967 KM |
1525 | |
1526 | fcp = &dfile; | |
b6407c9d KM |
1527 | dblk = fsbtodb(&sblock, blk); |
1528 | if (bp->b_bno == dblk) | |
6e884967 KM |
1529 | return (bp); |
1530 | flush(fcp, bp); | |
b6407c9d KM |
1531 | if (bread(fcp, bp->b_un.b_buf, dblk, size) != 0) { |
1532 | bp->b_bno = dblk; | |
6e884967 KM |
1533 | bp->b_size = size; |
1534 | return (bp); | |
1535 | } | |
1536 | bp->b_bno = (daddr_t)-1; | |
1537 | return (NULL); | |
1538 | } | |
1539 | ||
1540 | flush(fcp, bp) | |
1541 | struct filecntl *fcp; | |
1542 | register BUFAREA *bp; | |
1543 | { | |
1544 | ||
1545 | if (bp->b_dirty) | |
1546 | bwrite(fcp, bp->b_un.b_buf, bp->b_bno, bp->b_size); | |
1547 | bp->b_dirty = 0; | |
1548 | } | |
1549 | ||
1550 | rwerr(s, blk) | |
1551 | char *s; | |
1552 | daddr_t blk; | |
1553 | { | |
1554 | ||
1555 | if (preen == 0) | |
1556 | printf("\n"); | |
1557 | pfatal("CANNOT %s: BLK %ld", s, blk); | |
1558 | if (reply("CONTINUE") == 0) | |
1559 | errexit("Program terminated\n"); | |
1560 | } | |
1561 | ||
1562 | ckfini() | |
1563 | { | |
1564 | ||
1565 | flush(&dfile, &fileblk); | |
1566 | flush(&dfile, &sblk); | |
f3c028b7 KM |
1567 | if (sblk.b_bno != SBLOCK) { |
1568 | sblk.b_bno = SBLOCK; | |
1569 | sbdirty(); | |
1570 | flush(&dfile, &sblk); | |
1571 | } | |
6e884967 KM |
1572 | flush(&dfile, &inoblk); |
1573 | close(dfile.rfdes); | |
1574 | close(dfile.wfdes); | |
1575 | } | |
1576 | ||
1577 | pinode() | |
1578 | { | |
1579 | register DINODE *dp; | |
1580 | register char *p; | |
24a31719 | 1581 | char uidbuf[BUFSIZ]; |
6e884967 KM |
1582 | char *ctime(); |
1583 | ||
1584 | printf(" I=%u ", inum); | |
1585 | if ((dp = ginode()) == NULL) | |
1586 | return; | |
1587 | printf(" OWNER="); | |
1588 | if (getpw((int)dp->di_uid, uidbuf) == 0) { | |
1589 | for (p = uidbuf; *p != ':'; p++); | |
1590 | *p = 0; | |
1591 | printf("%s ", uidbuf); | |
1592 | } | |
1593 | else { | |
1594 | printf("%d ", dp->di_uid); | |
1595 | } | |
1596 | printf("MODE=%o\n", dp->di_mode); | |
1597 | if (preen) | |
1598 | printf("%s: ", devname); | |
1599 | printf("SIZE=%ld ", dp->di_size); | |
1600 | p = ctime(&dp->di_mtime); | |
1601 | printf("MTIME=%12.12s %4.4s ", p+4, p+20); | |
1602 | } | |
1603 | ||
6e884967 KM |
1604 | makecg() |
1605 | { | |
f3c028b7 | 1606 | int c, blk; |
bf541624 | 1607 | daddr_t dbase, d, dlower, dupper, dmax; |
6e884967 KM |
1608 | long i, j, s; |
1609 | register struct csum *cs; | |
f3c028b7 | 1610 | register DINODE *dp; |
6e884967 | 1611 | |
0947395d KM |
1612 | sblock.fs_cstotal.cs_nbfree = 0; |
1613 | sblock.fs_cstotal.cs_nffree = 0; | |
1614 | sblock.fs_cstotal.cs_nifree = 0; | |
1615 | sblock.fs_cstotal.cs_ndir = 0; | |
6e884967 | 1616 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 1617 | dbase = cgbase(&sblock, c); |
6e884967 | 1618 | dmax = dbase + sblock.fs_fpg; |
8f99f49c | 1619 | if (dmax > sblock.fs_size) { |
bf4c734c | 1620 | for ( ; dmax >= sblock.fs_size; dmax--) |
2e9860b5 | 1621 | clrbit(cgrp.cg_free, dmax - dbase); |
8f99f49c KM |
1622 | dmax++; |
1623 | } | |
bf541624 KM |
1624 | dlower = cgsblock(&sblock, c) - dbase; |
1625 | dupper = cgdmin(&sblock, c) - dbase; | |
b6407c9d | 1626 | cs = &sblock.fs_cs(&sblock, c); |
6e884967 KM |
1627 | cgrp.cg_time = time(0); |
1628 | cgrp.cg_magic = CG_MAGIC; | |
1629 | cgrp.cg_cgx = c; | |
67272100 KM |
1630 | if (c == sblock.fs_ncg - 1) |
1631 | cgrp.cg_ncyl = sblock.fs_ncyl % sblock.fs_cpg; | |
1632 | else | |
1633 | cgrp.cg_ncyl = sblock.fs_cpg; | |
6e884967 KM |
1634 | cgrp.cg_niblk = sblock.fs_ipg; |
1635 | cgrp.cg_ndblk = dmax - dbase; | |
0947395d KM |
1636 | cgrp.cg_cs.cs_ndir = 0; |
1637 | cgrp.cg_cs.cs_nffree = 0; | |
1638 | cgrp.cg_cs.cs_nbfree = 0; | |
1639 | cgrp.cg_cs.cs_nifree = 0; | |
bf541624 KM |
1640 | cgrp.cg_rotor = 0; |
1641 | cgrp.cg_frotor = 0; | |
92ea6158 | 1642 | cgrp.cg_irotor = 0; |
b6407c9d | 1643 | for (i = 0; i < sblock.fs_frag; i++) |
f3c028b7 | 1644 | cgrp.cg_frsum[i] = 0; |
6e884967 | 1645 | inum = sblock.fs_ipg * c; |
f3c028b7 | 1646 | for (i = 0; i < sblock.fs_ipg; inum++, i++) { |
bf4c734c KM |
1647 | cgrp.cg_cs.cs_nifree++; |
1648 | clrbit(cgrp.cg_iused, i); | |
f3c028b7 KM |
1649 | dp = ginode(); |
1650 | if (dp == NULL) | |
1651 | continue; | |
1652 | if (ALLOC) { | |
24a31719 | 1653 | if (DIRCT) |
0947395d | 1654 | cgrp.cg_cs.cs_ndir++; |
bf4c734c | 1655 | cgrp.cg_cs.cs_nifree--; |
f3c028b7 KM |
1656 | setbit(cgrp.cg_iused, i); |
1657 | continue; | |
1658 | } | |
6e884967 KM |
1659 | } |
1660 | while (i < MAXIPG) { | |
1661 | clrbit(cgrp.cg_iused, i); | |
1662 | i++; | |
1663 | } | |
bf4c734c KM |
1664 | if (c == 0) |
1665 | for (i = 0; i < ROOTINO; i++) { | |
1666 | setbit(cgrp.cg_iused, i); | |
1667 | cgrp.cg_cs.cs_nifree--; | |
1668 | } | |
43f6367c KM |
1669 | for (s = 0; s < MAXCPG; s++) { |
1670 | cgrp.cg_btot[s] = 0; | |
6e884967 KM |
1671 | for (i = 0; i < NRPOS; i++) |
1672 | cgrp.cg_b[s][i] = 0; | |
43f6367c | 1673 | } |
6e884967 | 1674 | if (c == 0) { |
bf541624 | 1675 | dupper += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 1676 | } |
bf541624 | 1677 | for (d = dlower; d < dupper; d++) |
6e884967 | 1678 | clrbit(cgrp.cg_free, d); |
bf541624 KM |
1679 | for (d = 0; (d + sblock.fs_frag) <= dmax - dbase; |
1680 | d += sblock.fs_frag) { | |
6e884967 | 1681 | j = 0; |
b6407c9d | 1682 | for (i = 0; i < sblock.fs_frag; i++) { |
bf541624 KM |
1683 | if (!getbmap(dbase + d + i)) { |
1684 | setbit(cgrp.cg_free, d + i); | |
6e884967 KM |
1685 | j++; |
1686 | } else | |
1687 | clrbit(cgrp.cg_free, d+i); | |
1688 | } | |
b6407c9d | 1689 | if (j == sblock.fs_frag) { |
0947395d | 1690 | cgrp.cg_cs.cs_nbfree++; |
43f6367c | 1691 | cgrp.cg_btot[cbtocylno(&sblock, d)]++; |
aca50d72 KM |
1692 | cgrp.cg_b[cbtocylno(&sblock, d)] |
1693 | [cbtorpos(&sblock, d)]++; | |
f3c028b7 | 1694 | } else if (j > 0) { |
0947395d | 1695 | cgrp.cg_cs.cs_nffree += j; |
bf541624 | 1696 | blk = blkmap(&sblock, cgrp.cg_free, d); |
b6407c9d | 1697 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1698 | } |
6e884967 | 1699 | } |
f3c028b7 | 1700 | for (j = d; d < dmax - dbase; d++) { |
bf541624 | 1701 | if (!getbmap(dbase + d)) { |
6e884967 | 1702 | setbit(cgrp.cg_free, d); |
0947395d | 1703 | cgrp.cg_cs.cs_nffree++; |
6e884967 KM |
1704 | } else |
1705 | clrbit(cgrp.cg_free, d); | |
1706 | } | |
67272100 KM |
1707 | for (; d % sblock.fs_frag != 0; d++) |
1708 | clrbit(cgrp.cg_free, d); | |
f3c028b7 | 1709 | if (j != d) { |
bf541624 | 1710 | blk = blkmap(&sblock, cgrp.cg_free, j); |
b6407c9d | 1711 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1712 | } |
67272100 KM |
1713 | for (d /= sblock.fs_frag; d < MAXBPG(&sblock); d ++) |
1714 | clrblock(&sblock, cgrp.cg_free, d); | |
0947395d KM |
1715 | sblock.fs_cstotal.cs_nffree += cgrp.cg_cs.cs_nffree; |
1716 | sblock.fs_cstotal.cs_nbfree += cgrp.cg_cs.cs_nbfree; | |
1717 | sblock.fs_cstotal.cs_nifree += cgrp.cg_cs.cs_nifree; | |
1718 | sblock.fs_cstotal.cs_ndir += cgrp.cg_cs.cs_ndir; | |
1719 | *cs = cgrp.cg_cs; | |
6994bf5d | 1720 | bwrite(&dfile, &cgrp, fsbtodb(&sblock, cgtod(&sblock, c)), |
3352e84a | 1721 | sblock.fs_cgsize); |
6e884967 | 1722 | } |
bf541624 KM |
1723 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { |
1724 | bwrite(&dfile, (char *)sblock.fs_csp[j], | |
1725 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), | |
1726 | sblock.fs_cssize - i < sblock.fs_bsize ? | |
1727 | sblock.fs_cssize - i : sblock.fs_bsize); | |
c2a050cf | 1728 | } |
6e884967 KM |
1729 | sblock.fs_ronly = 0; |
1730 | sblock.fs_fmod = 0; | |
1731 | sbdirty(); | |
1732 | } | |
1733 | ||
1734 | findino(dirp) | |
1735 | register DIRECT *dirp; | |
1736 | { | |
6e884967 KM |
1737 | if (dirp->d_ino == 0) |
1738 | return (KEEPON); | |
24a31719 KM |
1739 | if (!strcmp(dirp->d_name, srchname)) { |
1740 | if (dirp->d_ino >= ROOTINO && dirp->d_ino <= imax) | |
1741 | parentdir = dirp->d_ino; | |
1742 | return (STOP); | |
6e884967 KM |
1743 | } |
1744 | return (KEEPON); | |
1745 | } | |
1746 | ||
1747 | mkentry(dirp) | |
1748 | register DIRECT *dirp; | |
1749 | { | |
1750 | register ino_t in; | |
1751 | register char *p; | |
754cadb5 KM |
1752 | DIRECT newent; |
1753 | int newlen, oldlen; | |
6e884967 | 1754 | |
754cadb5 KM |
1755 | newent.d_namlen = 11; |
1756 | newlen = DIRSIZ(&newent); | |
1757 | if (dirp->d_ino != 0) | |
1758 | oldlen = DIRSIZ(dirp); | |
1759 | else | |
1760 | oldlen = 0; | |
1761 | if (dirp->d_reclen - oldlen < newlen) | |
6e884967 | 1762 | return (KEEPON); |
754cadb5 KM |
1763 | newent.d_reclen = dirp->d_reclen - oldlen; |
1764 | dirp->d_reclen = oldlen; | |
1765 | dirp = (struct direct *)(((char *)dirp) + oldlen); | |
6e884967 | 1766 | dirp->d_ino = orphan; |
754cadb5 KM |
1767 | dirp->d_reclen = newent.d_reclen; |
1768 | p = &dirp->d_name[2]; | |
1769 | for (in = imax; in > 0; in /= 10) | |
1770 | p++; | |
6e884967 | 1771 | *--p = 0; |
754cadb5 KM |
1772 | dirp->d_namlen = p - dirp->d_name; |
1773 | in = orphan; | |
6e884967 KM |
1774 | while (p > dirp->d_name) { |
1775 | *--p = (in % 10) + '0'; | |
1776 | in /= 10; | |
1777 | } | |
1778 | *p = '#'; | |
1779 | return (ALTERD|STOP); | |
1780 | } | |
1781 | ||
1782 | chgdd(dirp) | |
1783 | register DIRECT *dirp; | |
1784 | { | |
1785 | if (dirp->d_name[0] == '.' && dirp->d_name[1] == '.' && | |
1786 | dirp->d_name[2] == 0) { | |
1787 | dirp->d_ino = lfdir; | |
1788 | return (ALTERD|STOP); | |
1789 | } | |
1790 | return (KEEPON); | |
1791 | } | |
1792 | ||
1793 | linkup() | |
1794 | { | |
1795 | register DINODE *dp; | |
1796 | register lostdir; | |
1797 | register ino_t pdir; | |
1798 | ||
1799 | if ((dp = ginode()) == NULL) | |
1800 | return (0); | |
24a31719 | 1801 | lostdir = DIRCT; |
6e884967 KM |
1802 | pdir = parentdir; |
1803 | pwarn("UNREF %s ", lostdir ? "DIR" : "FILE"); | |
1804 | pinode(); | |
1805 | if (preen && dp->di_size == 0) | |
1806 | return (0); | |
1807 | if (preen) | |
1808 | printf(" (RECONNECTED)\n"); | |
1809 | else | |
1810 | if (reply("RECONNECT") == 0) | |
1811 | return (0); | |
1812 | orphan = inum; | |
1813 | if (lfdir == 0) { | |
1814 | inum = ROOTINO; | |
1815 | if ((dp = ginode()) == NULL) { | |
1816 | inum = orphan; | |
1817 | return (0); | |
1818 | } | |
1819 | pfunc = findino; | |
1820 | srchname = lfname; | |
1821 | filsize = dp->di_size; | |
1822 | parentdir = 0; | |
1823 | ckinode(dp, DATA); | |
1824 | inum = orphan; | |
1825 | if ((lfdir = parentdir) == 0) { | |
1826 | pfatal("SORRY. NO lost+found DIRECTORY"); | |
1827 | printf("\n\n"); | |
1828 | return (0); | |
1829 | } | |
1830 | } | |
1831 | inum = lfdir; | |
f5262822 | 1832 | if ((dp = ginode()) == NULL || !DIRCT || statemap[inum] != FSTATE) { |
6e884967 KM |
1833 | inum = orphan; |
1834 | pfatal("SORRY. NO lost+found DIRECTORY"); | |
1835 | printf("\n\n"); | |
1836 | return (0); | |
1837 | } | |
3352e84a KM |
1838 | if (fragoff(&sblock, dp->di_size)) { |
1839 | dp->di_size = fragroundup(&sblock, dp->di_size); | |
6e884967 KM |
1840 | inodirty(); |
1841 | } | |
1842 | filsize = dp->di_size; | |
1843 | inum = orphan; | |
1844 | pfunc = mkentry; | |
1845 | if ((ckinode(dp, DATA) & ALTERD) == 0) { | |
1846 | pfatal("SORRY. NO SPACE IN lost+found DIRECTORY"); | |
1847 | printf("\n\n"); | |
1848 | return (0); | |
1849 | } | |
f5262822 | 1850 | lncntp[inum]--; |
6e884967 KM |
1851 | if (lostdir) { |
1852 | pfunc = chgdd; | |
1853 | dp = ginode(); | |
1854 | filsize = dp->di_size; | |
1855 | ckinode(dp, DATA); | |
1856 | inum = lfdir; | |
1857 | if ((dp = ginode()) != NULL) { | |
1858 | dp->di_nlink++; | |
1859 | inodirty(); | |
f5262822 | 1860 | lncntp[inum]++; |
6e884967 KM |
1861 | } |
1862 | inum = orphan; | |
1863 | pwarn("DIR I=%u CONNECTED. ", orphan); | |
1864 | printf("PARENT WAS I=%u\n", pdir); | |
1865 | if (preen == 0) | |
1866 | printf("\n"); | |
1867 | } | |
1868 | return (1); | |
1869 | } | |
1870 | ||
1871 | bread(fcp, buf, blk, size) | |
1872 | daddr_t blk; | |
1873 | register struct filecntl *fcp; | |
1874 | register size; | |
1875 | char *buf; | |
1876 | { | |
b6407c9d | 1877 | if (lseek(fcp->rfdes, blk * DEV_BSIZE, 0) < 0) |
6e884967 KM |
1878 | rwerr("SEEK", blk); |
1879 | else if (read(fcp->rfdes, buf, size) == size) | |
1880 | return (1); | |
1881 | rwerr("READ", blk); | |
1882 | return (0); | |
1883 | } | |
1884 | ||
1885 | bwrite(fcp, buf, blk, size) | |
1886 | daddr_t blk; | |
1887 | register struct filecntl *fcp; | |
1888 | register size; | |
1889 | char *buf; | |
1890 | { | |
1891 | ||
1892 | if (fcp->wfdes < 0) | |
1893 | return (0); | |
b6407c9d | 1894 | if (lseek(fcp->wfdes, blk * DEV_BSIZE, 0) < 0) |
6e884967 KM |
1895 | rwerr("SEEK", blk); |
1896 | else if (write(fcp->wfdes, buf, size) == size) { | |
1897 | fcp->mod = 1; | |
1898 | return (1); | |
1899 | } | |
1900 | rwerr("WRITE", blk); | |
1901 | return (0); | |
1902 | } | |
1903 | ||
1904 | catch() | |
1905 | { | |
1906 | ||
1907 | ckfini(); | |
1908 | exit(12); | |
1909 | } | |
b6407c9d | 1910 | |
d2c95d76 BJ |
1911 | char * |
1912 | unrawname(cp) | |
1913 | char *cp; | |
1914 | { | |
1915 | char *dp = rindex(cp, '/'); | |
1916 | struct stat stb; | |
1917 | ||
1918 | if (dp == 0) | |
1919 | return (cp); | |
1920 | if (stat(cp, &stb) < 0) | |
1921 | return (cp); | |
1922 | if ((stb.st_mode&S_IFMT) != S_IFCHR) | |
1923 | return (cp); | |
1924 | if (*(dp+1) != 'r') | |
1925 | return (cp); | |
1926 | strcpy(dp+1, dp+2); | |
1927 | return (cp); | |
1928 | } | |
1929 | ||
1930 | char * | |
1931 | rawname(cp) | |
1932 | char *cp; | |
1933 | { | |
1934 | static char rawbuf[32]; | |
1935 | char *dp = rindex(cp, '/'); | |
1936 | ||
1937 | if (dp == 0) | |
1938 | return (0); | |
1939 | *dp = 0; | |
1940 | strcpy(rawbuf, cp); | |
1941 | *dp = '/'; | |
1942 | strcat(rawbuf, "/r"); | |
1943 | strcat(rawbuf, dp+1); | |
1944 | return (rawbuf); | |
1945 | } | |
1946 | ||
1947 | /* VARARGS1 */ | |
1948 | error(s1, s2, s3, s4) | |
1949 | char *s1; | |
1950 | { | |
4d308541 | 1951 | |
d2c95d76 BJ |
1952 | printf(s1, s2, s3, s4); |
1953 | } | |
4d308541 | 1954 | |
d2c95d76 BJ |
1955 | /* VARARGS1 */ |
1956 | errexit(s1, s2, s3, s4) | |
1957 | char *s1; | |
1958 | { | |
1959 | error(s1, s2, s3, s4); | |
1960 | exit(8); | |
1961 | } | |
4d308541 KM |
1962 | |
1963 | /* | |
d2c95d76 BJ |
1964 | * An inconsistency occured which shouldn't during normal operations. |
1965 | * Die if preening, otw just printf. | |
4d308541 | 1966 | */ |
d2c95d76 BJ |
1967 | /* VARARGS1 */ |
1968 | pfatal(s, a1, a2, a3) | |
1969 | char *s; | |
1970 | { | |
4d308541 | 1971 | |
d2c95d76 BJ |
1972 | if (preen) { |
1973 | printf("%s: ", devname); | |
1974 | printf(s, a1, a2, a3); | |
1975 | printf("\n"); | |
1976 | preendie(); | |
1977 | } | |
1978 | printf(s, a1, a2, a3); | |
1979 | } | |
4d308541 | 1980 | |
d2c95d76 BJ |
1981 | preendie() |
1982 | { | |
4d308541 | 1983 | |
d2c95d76 BJ |
1984 | printf("%s: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.\n", devname); |
1985 | exit(8); | |
1986 | } | |
4d308541 KM |
1987 | |
1988 | /* | |
d2c95d76 BJ |
1989 | * Pwarn is like printf when not preening, |
1990 | * or a warning (preceded by filename) when preening. | |
4d308541 | 1991 | */ |
d2c95d76 BJ |
1992 | /* VARARGS1 */ |
1993 | pwarn(s, a1, a2, a3, a4, a5, a6) | |
1994 | char *s; | |
1995 | { | |
1996 | ||
1997 | if (preen) | |
1998 | printf("%s: ", devname); | |
1999 | printf(s, a1, a2, a3, a4, a5, a6); | |
2000 | } | |
9a4020f4 BJ |
2001 | |
2002 | panic(s) | |
2003 | char *s; | |
2004 | { | |
2005 | ||
2006 | pfatal("internal inconsistency: %s\n"); | |
2007 | exit(12); | |
2008 | } |