Commit | Line | Data |
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5e01ca34 | 1 | char version[] = "@(#)main.c 2.23 (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) |
af5ba2f8 KM |
37 | #define SOCK ((dp->di_mode & IFMT) == IFSOCK) |
38 | #define BADBLK ((dp->di_mode & IFMT) == IFMT) | |
ea47352d | 39 | #define SPECIAL (BLK || CHR) |
6e884967 | 40 | |
f3c028b7 | 41 | ino_t startinum; /* blk num of first in raw area */ |
6e884967 KM |
42 | |
43 | struct bufarea { | |
44 | struct bufarea *b_next; /* must be first */ | |
45 | daddr_t b_bno; | |
46 | int b_size; | |
47 | union { | |
b6407c9d | 48 | char b_buf[MAXBSIZE]; /* buffer space */ |
6e884967 | 49 | short b_lnks[SPERB]; /* link counts */ |
b6407c9d | 50 | daddr_t b_indir[MAXNINDIR]; /* indirect block */ |
6e884967 KM |
51 | struct fs b_fs; /* super block */ |
52 | struct cg b_cg; /* cylinder group */ | |
b6407c9d | 53 | struct dinode b_dinode[MAXINOPB]; /* inode block */ |
6e884967 KM |
54 | } b_un; |
55 | char b_dirty; | |
56 | }; | |
57 | ||
58 | typedef struct bufarea BUFAREA; | |
59 | ||
60 | BUFAREA inoblk; /* inode blocks */ | |
61 | BUFAREA fileblk; /* other blks in filesys */ | |
62 | BUFAREA sblk; /* file system superblock */ | |
63 | BUFAREA cgblk; | |
64 | ||
65 | #define initbarea(x) (x)->b_dirty = 0;(x)->b_bno = (daddr_t)-1 | |
66 | #define dirty(x) (x)->b_dirty = 1 | |
67 | #define inodirty() inoblk.b_dirty = 1 | |
68 | #define sbdirty() sblk.b_dirty = 1 | |
69 | #define cgdirty() cgblk.b_dirty = 1 | |
70 | ||
71 | #define dirblk fileblk.b_un | |
72 | #define sblock sblk.b_un.b_fs | |
73 | #define cgrp cgblk.b_un.b_cg | |
74 | ||
75 | struct filecntl { | |
76 | int rfdes; | |
77 | int wfdes; | |
78 | int mod; | |
79 | } dfile; /* file descriptors for filesys */ | |
80 | ||
81 | #define DUPTBLSIZE 100 /* num of dup blocks to remember */ | |
82 | daddr_t duplist[DUPTBLSIZE]; /* dup block table */ | |
83 | daddr_t *enddup; /* next entry in dup table */ | |
84 | daddr_t *muldup; /* multiple dups part of table */ | |
85 | ||
5ca02310 | 86 | #define MAXLNCNT 500 /* num zero link cnts to remember */ |
6e884967 KM |
87 | ino_t badlncnt[MAXLNCNT]; /* table of inos with zero link cnts */ |
88 | ino_t *badlnp; /* next entry in table */ | |
89 | ||
90 | char rawflg; | |
91 | char nflag; /* assume a no response */ | |
92 | char yflag; /* assume a yes response */ | |
93 | int bflag; /* location of alternate super block */ | |
6994bf5d | 94 | int debug; /* output debugging info */ |
6e884967 KM |
95 | char preen; /* just fix normal inconsistencies */ |
96 | char rplyflag; /* any questions asked? */ | |
97 | char hotroot; /* checking root device */ | |
98 | char fixcg; /* corrupted free list bit maps */ | |
99 | ||
79f5f76a | 100 | char *blockmap; /* ptr to primary blk allocation map */ |
6e884967 KM |
101 | char *freemap; /* ptr to secondary blk allocation map */ |
102 | char *statemap; /* ptr to inode state table */ | |
103 | short *lncntp; /* ptr to link count table */ | |
104 | ||
105 | char *pathp; /* pointer to pathname position */ | |
106 | char *thisname; /* ptr to current pathname component */ | |
107 | char *srchname; /* name being searched for in dir */ | |
24a31719 | 108 | char pathname[BUFSIZ]; |
aac37e2e | 109 | char *endpathname = &pathname[BUFSIZ - 2]; |
6e884967 KM |
110 | |
111 | char *lfname = "lost+found"; | |
112 | ||
113 | ino_t inum; /* inode we are currently working on */ | |
6c6be8f1 | 114 | ino_t dnum; /* directory inode currently being worked on */ |
6e884967 KM |
115 | ino_t imax; /* number of inodes */ |
116 | ino_t parentdir; /* i number of parent directory */ | |
117 | ino_t lastino; /* hiwater mark of inodes */ | |
118 | ino_t lfdir; /* lost & found directory */ | |
119 | ino_t orphan; /* orphaned inode */ | |
120 | ||
121 | off_t filsize; /* num blks seen in file */ | |
122 | off_t maxblk; /* largest logical blk in file */ | |
79f5f76a | 123 | off_t bmapsz; /* num chars in blockmap */ |
6e884967 KM |
124 | |
125 | daddr_t n_ffree; /* number of small free blocks */ | |
126 | daddr_t n_bfree; /* number of large free blocks */ | |
127 | daddr_t n_blks; /* number of blocks used */ | |
128 | daddr_t n_files; /* number of files seen */ | |
129 | daddr_t n_index; | |
130 | daddr_t n_bad; | |
131 | daddr_t fmax; /* number of blocks in the volume */ | |
132 | ||
133 | daddr_t badblk; | |
134 | daddr_t dupblk; | |
135 | ||
136 | int inosumbad; | |
137 | int offsumbad; | |
f3c028b7 | 138 | int frsumbad; |
184d432f | 139 | int sbsumbad; |
6e884967 | 140 | |
6e884967 KM |
141 | #define zapino(x) (*(x) = zino) |
142 | struct dinode zino; | |
143 | ||
79f5f76a KM |
144 | #define setbmap(x) setbit(blockmap, x) |
145 | #define getbmap(x) isset(blockmap, x) | |
146 | #define clrbmap(x) clrbit(blockmap, x) | |
6e884967 KM |
147 | |
148 | #define setfmap(x) setbit(freemap, x) | |
149 | #define getfmap(x) isset(freemap, x) | |
150 | #define clrfmap(x) clrbit(freemap, x) | |
151 | ||
6e884967 KM |
152 | #define DATA 1 |
153 | #define ADDR 0 | |
154 | ||
155 | #define ALTERD 010 | |
156 | #define KEEPON 04 | |
157 | #define SKIP 02 | |
158 | #define STOP 01 | |
159 | ||
160 | int (*signal())(); | |
161 | long lseek(); | |
162 | time_t time(); | |
163 | DINODE *ginode(); | |
164 | BUFAREA *getblk(); | |
165 | int dirscan(); | |
166 | int findino(); | |
167 | int catch(); | |
168 | int mkentry(); | |
169 | int chgdd(); | |
d2c95d76 | 170 | int pass1check(), pass1bcheck(), pass2check(), pass4check(), pass5check(); |
6e884967 KM |
171 | int (*pfunc)(); |
172 | char *rawname(), *rindex(), *unrawname(); | |
97656a89 | 173 | extern int inside[], around[]; |
b6407c9d | 174 | extern unsigned char *fragtbl[]; |
6e884967 KM |
175 | |
176 | char *devname; | |
177 | ||
178 | main(argc, argv) | |
8ebf61ca KM |
179 | int argc; |
180 | char *argv[]; | |
6e884967 KM |
181 | { |
182 | struct fstab *fsp; | |
183 | int pid, passno, anygtr, sumstatus; | |
184 | ||
185 | sync(); | |
186 | while (--argc > 0 && **++argv == '-') { | |
187 | switch (*++*argv) { | |
188 | ||
189 | case 'p': | |
190 | preen++; | |
191 | break; | |
192 | ||
193 | case 'b': | |
194 | bflag = atoi(argv[0]+1); | |
195 | printf("Alternate super block location: %d\n", bflag); | |
196 | break; | |
197 | ||
6994bf5d KM |
198 | case 'd': |
199 | debug++; | |
200 | break; | |
201 | ||
6e884967 KM |
202 | case 'n': /* default no answer flag */ |
203 | case 'N': | |
204 | nflag++; | |
205 | yflag = 0; | |
206 | break; | |
207 | ||
208 | case 'y': /* default yes answer flag */ | |
209 | case 'Y': | |
210 | yflag++; | |
211 | nflag = 0; | |
212 | break; | |
213 | ||
214 | default: | |
215 | errexit("%c option?\n", **argv); | |
216 | } | |
217 | } | |
218 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) | |
219 | signal(SIGINT, catch); | |
220 | if (argc) { | |
221 | while (argc-- > 0) { | |
222 | hotroot = 0; | |
d2c95d76 | 223 | checkfilesys(*argv++); |
6e884967 KM |
224 | } |
225 | exit(0); | |
226 | } | |
227 | sumstatus = 0; | |
228 | passno = 1; | |
229 | do { | |
230 | anygtr = 0; | |
231 | if (setfsent() == 0) | |
232 | errexit("Can't open checklist file: %s\n", FSTAB); | |
233 | while ((fsp = getfsent()) != 0) { | |
234 | if (strcmp(fsp->fs_type, FSTAB_RW) && | |
235 | strcmp(fsp->fs_type, FSTAB_RO)) | |
236 | continue; | |
237 | if (preen == 0 || | |
238 | passno == 1 && fsp->fs_passno == passno) { | |
239 | if (blockcheck(fsp->fs_spec) == 0 && preen) | |
240 | exit(8); | |
241 | } else if (fsp->fs_passno > passno) | |
242 | anygtr = 1; | |
243 | else if (fsp->fs_passno == passno) { | |
244 | pid = fork(); | |
245 | if (pid < 0) { | |
246 | perror("fork"); | |
247 | exit(8); | |
248 | } | |
249 | if (pid == 0) | |
250 | if (blockcheck(fsp->fs_spec)==0) | |
251 | exit(8); | |
252 | else | |
253 | exit(0); | |
254 | } | |
255 | } | |
256 | if (preen) { | |
257 | int status; | |
258 | while (wait(&status) != -1) | |
259 | sumstatus |= status; | |
260 | } | |
261 | passno++; | |
262 | } while (anygtr); | |
263 | if (sumstatus) | |
264 | exit(8); | |
265 | endfsent(); | |
266 | exit(0); | |
267 | } | |
268 | ||
269 | blockcheck(name) | |
270 | char *name; | |
271 | { | |
4d308541 | 272 | struct stat stslash, stblock, stchar; |
6e884967 KM |
273 | char *raw; |
274 | int looped = 0; | |
275 | ||
276 | hotroot = 0; | |
277 | if (stat("/", &stslash) < 0){ | |
278 | error("Can't stat root\n"); | |
279 | return (0); | |
280 | } | |
281 | retry: | |
282 | if (stat(name, &stblock) < 0){ | |
283 | error("Can't stat %s\n", name); | |
284 | return (0); | |
285 | } | |
286 | if (stblock.st_mode & S_IFBLK) { | |
287 | raw = rawname(name); | |
288 | if (stat(raw, &stchar) < 0){ | |
289 | error("Can't stat %s\n", raw); | |
290 | return (0); | |
291 | } | |
292 | if (stchar.st_mode & S_IFCHR) { | |
293 | if (stslash.st_dev == stblock.st_rdev) { | |
294 | hotroot++; | |
63b52c8b | 295 | raw = rawname(name); |
6e884967 | 296 | } |
d2c95d76 | 297 | checkfilesys(raw); |
6e884967 KM |
298 | return (1); |
299 | } else { | |
300 | error("%s is not a character device\n", raw); | |
301 | return (0); | |
302 | } | |
303 | } else if (stblock.st_mode & S_IFCHR) { | |
304 | if (looped) { | |
305 | error("Can't make sense out of name %s\n", name); | |
306 | return (0); | |
307 | } | |
308 | name = unrawname(name); | |
309 | looped++; | |
310 | goto retry; | |
311 | } | |
312 | error("Can't make sense out of name %s\n", name); | |
313 | return (0); | |
314 | } | |
315 | ||
d2c95d76 BJ |
316 | checkfilesys(filesys) |
317 | char *filesys; | |
6e884967 KM |
318 | { |
319 | register DINODE *dp; | |
320 | register ino_t *blp; | |
321 | register int i, n; | |
322 | ino_t savino; | |
6bccc723 | 323 | int b, c, j, partial, ndb; |
6e884967 KM |
324 | daddr_t d, s; |
325 | ||
d2c95d76 BJ |
326 | devname = filesys; |
327 | if (setup(filesys) == 0) { | |
6e884967 | 328 | if (preen) |
d2c95d76 | 329 | pfatal("CAN'T CHECK FILE SYSTEM."); |
6e884967 KM |
330 | return; |
331 | } | |
d2c95d76 | 332 | /* 1: scan inodes tallying blocks used */ |
690f77ba KM |
333 | if (preen == 0) { |
334 | printf("** Last Mounted on %s\n", sblock.fs_fsmnt); | |
6e884967 KM |
335 | if (hotroot) |
336 | printf("** Root file system\n"); | |
337 | printf("** Phase 1 - Check Blocks and Sizes\n"); | |
338 | } | |
d2c95d76 BJ |
339 | pass1(); |
340 | ||
f5971be7 | 341 | /* 1b: locate first references to duplicates, if any */ |
d2c95d76 BJ |
342 | if (enddup != &duplist[0]) { |
343 | if (preen) | |
344 | pfatal("INTERNAL ERROR: dups with -p"); | |
345 | printf("** Phase 1b - Rescan For More DUPS\n"); | |
346 | pass1b(); | |
347 | } | |
348 | ||
349 | /* 2: traverse directories to check reference counts */ | |
350 | if (preen == 0) | |
351 | printf("** Phase 2 - Check Pathnames\n"); | |
352 | pass2(); | |
353 | ||
354 | /* 3 */ | |
355 | if (preen == 0) | |
356 | printf("** Phase 3 - Check Connectivity\n"); | |
357 | pass3(); | |
358 | ||
359 | /* 4 */ | |
360 | if (preen == 0) | |
361 | printf("** Phase 4 - Check Reference Counts\n"); | |
362 | pass4(); | |
363 | ||
364 | /* 5 */ | |
365 | if (preen == 0) | |
366 | printf("** Phase 5 - Check Cyl groups\n"); | |
367 | pass5(); | |
368 | ||
369 | if (fixcg) { | |
370 | if (preen == 0) | |
371 | printf("** Phase 6 - Salvage Cylinder Groups\n"); | |
372 | makecg(); | |
373 | n_ffree = sblock.fs_cstotal.cs_nffree; | |
374 | n_bfree = sblock.fs_cstotal.cs_nbfree; | |
375 | } | |
376 | ||
377 | pwarn("%d files, %d used, %d free (%d frags, %d blocks)\n", | |
378 | n_files, n_blks - howmany(sblock.fs_cssize, sblock.fs_fsize), | |
379 | n_ffree + sblock.fs_frag * n_bfree, n_ffree, n_bfree); | |
380 | if (dfile.mod) { | |
381 | time(&sblock.fs_time); | |
382 | sbdirty(); | |
383 | } | |
384 | ckfini(); | |
385 | free(blockmap); | |
386 | free(freemap); | |
387 | free(statemap); | |
388 | free(lncntp); | |
f5971be7 | 389 | if (dfile.mod) { |
d2c95d76 | 390 | if (preen) { |
f5971be7 BJ |
391 | if (hotroot) |
392 | exit(4); | |
393 | } else { | |
d2c95d76 BJ |
394 | printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); |
395 | if (hotroot) { | |
f5971be7 | 396 | printf("\n***** BOOT UNIX (NO SYNC!) *****\n"); |
d2c95d76 BJ |
397 | exit(4); |
398 | } | |
d2c95d76 | 399 | } |
f5971be7 BJ |
400 | } |
401 | sync(); /* ??? */ | |
402 | } | |
403 | ||
404 | setup(dev) | |
405 | char *dev; | |
406 | { | |
407 | dev_t rootdev; | |
408 | struct stat statb; | |
409 | int super = bflag ? bflag : SBLOCK; | |
410 | int i, j, size; | |
411 | int c, d, cgd; | |
412 | ||
413 | bflag = 0; | |
414 | if (stat("/", &statb) < 0) | |
415 | errexit("Can't stat root\n"); | |
416 | rootdev = statb.st_dev; | |
417 | if (stat(dev, &statb) < 0) { | |
418 | error("Can't stat %s\n", dev); | |
419 | return (0); | |
420 | } | |
421 | rawflg = 0; | |
422 | if ((statb.st_mode & S_IFMT) == S_IFBLK) | |
423 | ; | |
424 | else if ((statb.st_mode & S_IFMT) == S_IFCHR) | |
425 | rawflg++; | |
426 | else { | |
427 | if (reply("file is not a block or character device; OK") == 0) | |
428 | return (0); | |
429 | } | |
430 | if (rootdev == statb.st_rdev) | |
431 | hotroot++; | |
432 | if ((dfile.rfdes = open(dev, 0)) < 0) { | |
433 | error("Can't open %s\n", dev); | |
434 | return (0); | |
435 | } | |
436 | if (preen == 0) | |
437 | printf("** %s", dev); | |
438 | if (nflag || (dfile.wfdes = open(dev, 1)) < 0) { | |
439 | dfile.wfdes = -1; | |
440 | if (preen) | |
441 | pfatal("NO WRITE ACCESS"); | |
442 | printf(" (NO WRITE)"); | |
443 | } | |
444 | if (preen == 0) | |
445 | printf("\n"); | |
446 | fixcg = 0; inosumbad = 0; offsumbad = 0; frsumbad = 0; sbsumbad = 0; | |
447 | dfile.mod = 0; | |
448 | n_files = n_blks = n_ffree = n_bfree = 0; | |
449 | muldup = enddup = &duplist[0]; | |
450 | badlnp = &badlncnt[0]; | |
451 | lfdir = 0; | |
452 | rplyflag = 0; | |
453 | initbarea(&sblk); | |
454 | initbarea(&fileblk); | |
455 | initbarea(&inoblk); | |
456 | initbarea(&cgblk); | |
457 | /* | |
458 | * Read in the super block and its summary info. | |
459 | */ | |
460 | if (bread(&dfile, &sblock, super, SBSIZE) == 0) | |
461 | return (0); | |
462 | sblk.b_bno = super; | |
463 | sblk.b_size = SBSIZE; | |
464 | /* | |
465 | * run a few consistency checks of the super block | |
466 | */ | |
467 | if (sblock.fs_magic != FS_MAGIC) | |
468 | { badsb("MAGIC NUMBER WRONG"); return (0); } | |
469 | if (sblock.fs_ncg < 1) | |
470 | { badsb("NCG OUT OF RANGE"); return (0); } | |
471 | if (sblock.fs_cpg < 1 || sblock.fs_cpg > MAXCPG) | |
472 | { badsb("CPG OUT OF RANGE"); return (0); } | |
473 | if (sblock.fs_nsect < 1) | |
474 | { badsb("NSECT < 1"); return (0); } | |
475 | if (sblock.fs_ntrak < 1) | |
476 | { badsb("NTRAK < 1"); return (0); } | |
477 | if (sblock.fs_spc != sblock.fs_nsect * sblock.fs_ntrak) | |
478 | { badsb("SPC DOES NOT JIVE w/NTRAK*NSECT"); return (0); } | |
479 | if (sblock.fs_ipg % INOPB(&sblock)) | |
480 | { badsb("INODES NOT MULTIPLE OF A BLOCK"); return (0); } | |
481 | if (cgdmin(&sblock, 0) >= sblock.fs_cpg * sblock.fs_spc / NSPF(&sblock)) | |
482 | { badsb("IMPLIES MORE INODE THAN DATA BLOCKS"); return (0); } | |
483 | if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl || | |
484 | (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl) | |
485 | { badsb("NCYL DOES NOT JIVE WITH NCG*CPG"); return (0); } | |
486 | if (sblock.fs_fpg != sblock.fs_cpg * sblock.fs_spc / NSPF(&sblock)) | |
487 | { badsb("FPG DOES NOT JIVE WITH CPG & SPC"); return (0); } | |
488 | if (sblock.fs_size * NSPF(&sblock) <= | |
489 | (sblock.fs_ncyl - 1) * sblock.fs_spc) | |
490 | { badsb("SIZE PREPOSTEROUSLY SMALL"); return (0); } | |
491 | if (sblock.fs_size * NSPF(&sblock) > sblock.fs_ncyl * sblock.fs_spc) | |
492 | { badsb("SIZE PREPOSTEROUSLY LARGE"); return (0); } | |
493 | /* rest we COULD repair... */ | |
494 | if (sblock.fs_cgsize != fragroundup(&sblock, | |
495 | sizeof(struct cg) + howmany(sblock.fs_fpg, NBBY))) | |
496 | { badsb("CGSIZE INCORRECT"); return (0); } | |
497 | if (sblock.fs_cssize != | |
498 | fragroundup(&sblock, sblock.fs_ncg * sizeof(struct csum))) | |
499 | { badsb("CSSIZE INCORRECT"); return (0); } | |
500 | fmax = sblock.fs_size; | |
501 | imax = sblock.fs_ncg * sblock.fs_ipg; | |
502 | n_bad = cgsblock(&sblock, 0); /* boot block plus dedicated sblock */ | |
503 | /* | |
504 | * read in the summary info. | |
505 | */ | |
506 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { | |
507 | size = sblock.fs_cssize - i < sblock.fs_bsize ? | |
508 | sblock.fs_cssize - i : sblock.fs_bsize; | |
509 | sblock.fs_csp[j] = (struct csum *)calloc(1, size); | |
510 | bread(&dfile, (char *)sblock.fs_csp[j], | |
511 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), | |
512 | size); | |
513 | } | |
514 | /* | |
515 | * allocate and initialize the necessary maps | |
516 | */ | |
517 | bmapsz = roundup(howmany(fmax, NBBY), sizeof(short)); | |
518 | blockmap = (char *)calloc(bmapsz, sizeof (char)); | |
519 | if (blockmap == NULL) { | |
520 | printf("cannot alloc %d bytes for blockmap\n", bmapsz); | |
521 | exit(1); | |
522 | } | |
523 | freemap = (char *)calloc(bmapsz, sizeof (char)); | |
524 | if (freemap == NULL) { | |
525 | printf("cannot alloc %d bytes for freemap\n", bmapsz); | |
526 | exit(1); | |
527 | } | |
528 | statemap = (char *)calloc(imax+1, sizeof(char)); | |
529 | if (statemap == NULL) { | |
530 | printf("cannot alloc %d bytes for statemap\n", imax + 1); | |
531 | exit(1); | |
532 | } | |
533 | lncntp = (short *)calloc(imax+1, sizeof(short)); | |
534 | if (lncntp == NULL) { | |
535 | printf("cannot alloc %d bytes for lncntp\n", | |
536 | (imax + 1) * sizeof(short)); | |
537 | exit(1); | |
538 | } | |
539 | for (c = 0; c < sblock.fs_ncg; c++) { | |
540 | cgd = cgdmin(&sblock, c); | |
541 | if (c == 0) { | |
542 | d = cgbase(&sblock, c); | |
543 | cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); | |
544 | } else | |
545 | d = cgsblock(&sblock, c); | |
546 | for (; d < cgd; d++) | |
547 | setbmap(d); | |
548 | } | |
549 | ||
550 | startinum = imax + 1; | |
551 | return (1); | |
552 | ||
553 | badsb: | |
554 | ckfini(); | |
555 | return (0); | |
d2c95d76 BJ |
556 | } |
557 | ||
558 | pass1() | |
559 | { | |
560 | register int c, i, n, j; | |
561 | register DINODE *dp; | |
562 | int savino, ndb, partial; | |
563 | ||
564 | pfunc = pass1check; | |
6e884967 | 565 | inum = 0; |
bf541624 | 566 | n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 567 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 568 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 569 | continue; |
f5971be7 BJ |
570 | if (cgrp.cg_magic != CG_MAGIC) { |
571 | pfatal("cg %d: bad magic number\n", c); | |
572 | bzero((caddr_t)&cgrp, sblock.fs_cgsize); | |
573 | } | |
6e884967 | 574 | n = 0; |
f3c028b7 KM |
575 | for (i = 0; i < sblock.fs_ipg; i++, inum++) { |
576 | dp = ginode(); | |
577 | if (dp == NULL) | |
578 | continue; | |
bf4c734c | 579 | n++; |
6e884967 KM |
580 | if (ALLOC) { |
581 | if (!isset(cgrp.cg_iused, i)) { | |
6994bf5d KM |
582 | if (debug) |
583 | printf("%d bad, not used\n", | |
584 | inum); | |
6e884967 KM |
585 | inosumbad++; |
586 | } | |
bf4c734c | 587 | n--; |
6e884967 | 588 | lastino = inum; |
af5ba2f8 KM |
589 | if (!preen && BADBLK && |
590 | reply("HOLD BAD BLOCK") == 1) { | |
591 | dp->di_size = sblock.fs_fsize; | |
592 | dp->di_mode = IFREG|0600; | |
593 | inodirty(); | |
594 | } else if (ftypeok(dp) == 0) | |
6bccc723 | 595 | goto unknown; |
67272100 KM |
596 | if (dp->di_size < 0) { |
597 | if (debug) | |
598 | printf("bad size %d:", | |
599 | dp->di_size); | |
6bccc723 | 600 | goto unknown; |
67272100 | 601 | } |
6bccc723 KM |
602 | ndb = howmany(dp->di_size, sblock.fs_bsize); |
603 | if (SPECIAL) | |
604 | ndb++; | |
605 | for (j = ndb; j < NDADDR; j++) | |
67272100 KM |
606 | if (dp->di_db[j] != 0) { |
607 | if (debug) | |
af5ba2f8 KM |
608 | printf("bad direct addr: %d\n", |
609 | dp->di_db[j]); | |
6bccc723 | 610 | goto unknown; |
67272100 | 611 | } |
6bccc723 KM |
612 | for (j = 0, ndb -= NDADDR; ndb > 0; j++) |
613 | ndb /= NINDIR(&sblock); | |
614 | for (; j < NIADDR; j++) | |
67272100 KM |
615 | if (dp->di_ib[j] != 0) { |
616 | if (debug) | |
af5ba2f8 KM |
617 | printf("bad indirect addr: %d\n", |
618 | dp->di_ib[j]); | |
6bccc723 | 619 | goto unknown; |
67272100 | 620 | } |
6e884967 | 621 | n_files++; |
f5262822 BJ |
622 | lncntp[inum] = dp->di_nlink; |
623 | if (dp->di_nlink <= 0) { | |
6e884967 KM |
624 | if (badlnp < &badlncnt[MAXLNCNT]) |
625 | *badlnp++ = inum; | |
626 | else { | |
627 | pfatal("LINK COUNT TABLE OVERFLOW"); | |
628 | if (reply("CONTINUE") == 0) | |
629 | errexit(""); | |
630 | } | |
631 | } | |
f5262822 | 632 | statemap[inum] = DIRCT ? DSTATE : FSTATE; |
6e884967 KM |
633 | badblk = dupblk = 0; filsize = 0; maxblk = 0; |
634 | ckinode(dp, ADDR); | |
5e01ca34 KM |
635 | filsize *= btodb(sblock.fs_fsize); |
636 | if (dp->di_blocks != filsize) { | |
637 | pwarn("INCORRECT BLOCK COUNT I=%u (%ld should be %ld)", | |
638 | inum, dp->di_blocks, filsize); | |
639 | if (preen) | |
640 | printf(" (CORRECTED)\n"); | |
641 | else if (reply("CORRECT") == 0) | |
642 | continue; | |
643 | dp->di_blocks = filsize; | |
644 | inodirty(); | |
645 | } | |
6bccc723 KM |
646 | continue; |
647 | unknown: | |
af5ba2f8 KM |
648 | if (!SOCK) |
649 | pfatal("UNKNOWN FILE TYPE I=%u", inum); | |
650 | if ((preen && SOCK) || reply("CLEAR") == 1) { | |
6bccc723 KM |
651 | zapino(dp); |
652 | inodirty(); | |
653 | inosumbad++; | |
654 | } | |
6e884967 | 655 | } else { |
6e884967 | 656 | if (isset(cgrp.cg_iused, i)) { |
6994bf5d KM |
657 | if (debug) |
658 | printf("%d bad, marked used\n", | |
659 | inum); | |
6e884967 | 660 | inosumbad++; |
f3c028b7 | 661 | n--; |
6e884967 | 662 | } |
6bccc723 KM |
663 | partial = 0; |
664 | for (j = 0; j < NDADDR; j++) | |
665 | if (dp->di_db[j] != 0) | |
666 | partial++; | |
667 | for (j = 0; j < NIADDR; j++) | |
668 | if (dp->di_ib[j] != 0) | |
669 | partial++; | |
670 | if (partial || dp->di_mode != 0 || | |
671 | dp->di_size != 0) { | |
6e884967 KM |
672 | pfatal("PARTIALLY ALLOCATED INODE I=%u", inum); |
673 | if (reply("CLEAR") == 1) { | |
674 | zapino(dp); | |
675 | inodirty(); | |
676 | inosumbad++; | |
677 | } | |
678 | } | |
679 | } | |
680 | } | |
0947395d | 681 | if (n != cgrp.cg_cs.cs_nifree) { |
6994bf5d | 682 | if (debug) |
bf4c734c | 683 | printf("cg[%d].cg_cs.cs_nifree is %d; calc %d\n", |
6994bf5d | 684 | c, cgrp.cg_cs.cs_nifree, n); |
6e884967 KM |
685 | inosumbad++; |
686 | } | |
184d432f KM |
687 | if (cgrp.cg_cs.cs_nbfree != sblock.fs_cs(&sblock, c).cs_nbfree |
688 | || cgrp.cg_cs.cs_nffree != sblock.fs_cs(&sblock, c).cs_nffree | |
689 | || cgrp.cg_cs.cs_nifree != sblock.fs_cs(&sblock, c).cs_nifree | |
690 | || cgrp.cg_cs.cs_ndir != sblock.fs_cs(&sblock, c).cs_ndir) | |
691 | sbsumbad++; | |
6e884967 | 692 | } |
d2c95d76 BJ |
693 | } |
694 | ||
695 | pass1check(blk, size) | |
696 | daddr_t blk; | |
697 | int size; | |
698 | { | |
699 | register daddr_t *dlp; | |
700 | int res = KEEPON; | |
f5971be7 | 701 | int anyout; |
d2c95d76 | 702 | |
f5971be7 | 703 | anyout = outrange(blk, size); |
d2c95d76 | 704 | for (; size > 0; blk++, size--) { |
f5971be7 | 705 | if (anyout && outrange(blk, 1)) { |
d2c95d76 BJ |
706 | blkerr("BAD", blk); |
707 | if (++badblk >= MAXBAD) { | |
708 | pwarn("EXCESSIVE BAD BLKS I=%u", inum); | |
709 | if (preen) | |
710 | printf(" (SKIPPING)\n"); | |
711 | else if (reply("CONTINUE") == 0) | |
712 | errexit(""); | |
713 | return (STOP); | |
714 | } | |
715 | res = SKIP; | |
716 | } else if (getbmap(blk)) { | |
717 | blkerr("DUP", blk); | |
718 | if (++dupblk >= MAXDUP) { | |
719 | pwarn("EXCESSIVE DUP BLKS I=%u", inum); | |
720 | if (preen) | |
721 | printf(" (SKIPPING)\n"); | |
722 | else if (reply("CONTINUE") == 0) | |
723 | errexit(""); | |
724 | return (STOP); | |
725 | } | |
726 | if (enddup >= &duplist[DUPTBLSIZE]) { | |
727 | pfatal("DUP TABLE OVERFLOW."); | |
728 | if (reply("CONTINUE") == 0) | |
729 | errexit(""); | |
730 | return (STOP); | |
731 | } | |
732 | for (dlp = duplist; dlp < muldup; dlp++) | |
733 | if (*dlp == blk) { | |
734 | *enddup++ = blk; | |
735 | break; | |
736 | } | |
737 | if (dlp >= muldup) { | |
738 | *enddup++ = *muldup; | |
739 | *muldup++ = blk; | |
f3c028b7 | 740 | } |
d2c95d76 BJ |
741 | } else { |
742 | n_blks++; | |
743 | setbmap(blk); | |
744 | } | |
745 | filsize++; | |
746 | } | |
747 | return (res); | |
748 | } | |
749 | ||
750 | pass1b() | |
751 | { | |
752 | register int c, i; | |
753 | register DINODE *dp; | |
754 | ||
755 | pfunc = pass1bcheck; | |
756 | inum = 0; | |
757 | for (c = 0; c < sblock.fs_ncg; c++) { | |
758 | for (i = 0; i < sblock.fs_ipg; i++, inum++) { | |
759 | dp = ginode(); | |
760 | if (dp == NULL) | |
761 | continue; | |
f5262822 | 762 | if (statemap[inum] != USTATE && |
d2c95d76 BJ |
763 | (ckinode(dp, ADDR) & STOP)) |
764 | goto out1b; | |
6e884967 KM |
765 | } |
766 | } | |
767 | out1b: | |
f3c028b7 | 768 | flush(&dfile, &inoblk); |
d2c95d76 BJ |
769 | } |
770 | ||
771 | pass1bcheck(blk, size) | |
772 | daddr_t blk; | |
773 | int size; | |
774 | { | |
775 | register daddr_t *dlp; | |
776 | int res = KEEPON; | |
777 | ||
778 | for (; size > 0; blk++, size--) { | |
f5971be7 | 779 | if (outrange(blk, 1)) |
d2c95d76 BJ |
780 | res = SKIP; |
781 | for (dlp = duplist; dlp < muldup; dlp++) | |
782 | if (*dlp == blk) { | |
783 | blkerr("DUP", blk); | |
784 | *dlp = *--muldup; | |
785 | *muldup = blk; | |
786 | if (muldup == duplist) | |
787 | return (STOP); | |
788 | } | |
789 | } | |
790 | return (res); | |
791 | } | |
792 | ||
793 | pass2() | |
794 | { | |
795 | register DINODE *dp; | |
796 | ||
6e884967 KM |
797 | inum = ROOTINO; |
798 | thisname = pathp = pathname; | |
d2c95d76 | 799 | pfunc = pass2check; |
f5262822 | 800 | switch (statemap[inum]) { |
6e884967 KM |
801 | |
802 | case USTATE: | |
803 | errexit("ROOT INODE UNALLOCATED. TERMINATING.\n"); | |
804 | ||
805 | case FSTATE: | |
806 | pfatal("ROOT INODE NOT DIRECTORY"); | |
807 | if (reply("FIX") == 0 || (dp = ginode()) == NULL) | |
808 | errexit(""); | |
809 | dp->di_mode &= ~IFMT; | |
810 | dp->di_mode |= IFDIR; | |
811 | inodirty(); | |
812 | inosumbad++; | |
f5262822 | 813 | statemap[inum] = DSTATE; |
6e884967 KM |
814 | /* fall into ... */ |
815 | ||
816 | case DSTATE: | |
817 | descend(); | |
818 | break; | |
819 | ||
820 | case CLEAR: | |
821 | pfatal("DUPS/BAD IN ROOT INODE"); | |
822 | printf("\n"); | |
823 | if (reply("CONTINUE") == 0) | |
824 | errexit(""); | |
f5262822 | 825 | statemap[inum] = DSTATE; |
6e884967 KM |
826 | descend(); |
827 | } | |
d2c95d76 BJ |
828 | } |
829 | ||
830 | pass2check(dirp) | |
831 | register DIRECT *dirp; | |
832 | { | |
833 | register char *p; | |
834 | register n; | |
835 | DINODE *dp; | |
836 | ||
837 | if ((inum = dirp->d_ino) == 0) | |
838 | return (KEEPON); | |
839 | thisname = pathp; | |
aac37e2e KM |
840 | if (pathp + dirp->d_namlen >= endpathname) { |
841 | *pathp = '\0'; | |
842 | errexit("NAME TOO LONG %s%s\n", pathname, dirp->d_name); | |
843 | } | |
d2c95d76 BJ |
844 | for (p = dirp->d_name; p < &dirp->d_name[MAXNAMLEN]; ) |
845 | if ((*pathp++ = *p++) == 0) { | |
846 | --pathp; | |
847 | break; | |
848 | } | |
849 | *pathp = 0; | |
850 | n = 0; | |
851 | if (inum > imax || inum <= 0) | |
852 | n = direrr("I OUT OF RANGE"); | |
853 | else { | |
854 | again: | |
f5262822 | 855 | switch (statemap[inum]) { |
d2c95d76 BJ |
856 | case USTATE: |
857 | n = direrr("UNALLOCATED"); | |
858 | break; | |
859 | ||
860 | case CLEAR: | |
861 | if ((n = direrr("DUP/BAD")) == 1) | |
862 | break; | |
863 | if ((dp = ginode()) == NULL) | |
864 | break; | |
f5262822 | 865 | statemap[inum] = DIRCT ? DSTATE : FSTATE; |
d2c95d76 BJ |
866 | goto again; |
867 | ||
868 | case FSTATE: | |
f5262822 | 869 | lncntp[inum]--; |
d2c95d76 BJ |
870 | break; |
871 | ||
872 | case DSTATE: | |
f5262822 | 873 | lncntp[inum]--; |
d2c95d76 BJ |
874 | descend(); |
875 | break; | |
876 | } | |
877 | } | |
878 | pathp = thisname; | |
879 | if (n == 0) | |
880 | return (KEEPON); | |
881 | dirp->d_ino = 0; | |
882 | return (KEEPON|ALTERD); | |
883 | } | |
884 | ||
885 | pass3() | |
886 | { | |
887 | ino_t savino; | |
888 | register DINODE *dp; | |
889 | ||
6e884967 | 890 | for (inum = ROOTINO; inum <= lastino; inum++) { |
f5262822 | 891 | if (statemap[inum] == DSTATE) { |
6e884967 KM |
892 | pfunc = findino; |
893 | srchname = ".."; | |
894 | savino = inum; | |
895 | do { | |
896 | orphan = inum; | |
897 | if ((dp = ginode()) == NULL) | |
898 | break; | |
899 | filsize = dp->di_size; | |
900 | parentdir = 0; | |
901 | ckinode(dp, DATA); | |
902 | if ((inum = parentdir) == 0) | |
903 | break; | |
f5262822 | 904 | } while (statemap[inum] == DSTATE); |
6e884967 KM |
905 | inum = orphan; |
906 | if (linkup() == 1) { | |
907 | thisname = pathp = pathname; | |
908 | *pathp++ = '?'; | |
d2c95d76 | 909 | pfunc = pass2check; |
6e884967 KM |
910 | descend(); |
911 | } | |
912 | inum = savino; | |
913 | } | |
914 | } | |
d2c95d76 | 915 | } |
6e884967 | 916 | |
d2c95d76 BJ |
917 | pass4() |
918 | { | |
919 | register int n; | |
920 | register ino_t *blp; | |
921 | ||
922 | pfunc = pass4check; | |
923 | for (inum = ROOTINO; inum <= lastino; inum++) { | |
f5262822 | 924 | switch (statemap[inum]) { |
d2c95d76 BJ |
925 | |
926 | case FSTATE: | |
f5262822 BJ |
927 | n = lncntp[inum]; |
928 | if (n) | |
6e884967 KM |
929 | adjust((short)n); |
930 | else { | |
931 | for (blp = badlncnt;blp < badlnp; blp++) | |
932 | if (*blp == inum) { | |
933 | clri("UNREF", 1); | |
934 | break; | |
935 | } | |
936 | } | |
937 | break; | |
938 | ||
939 | case DSTATE: | |
940 | clri("UNREF", 1); | |
941 | break; | |
942 | ||
943 | case CLEAR: | |
944 | clri("BAD/DUP", 1); | |
945 | break; | |
946 | } | |
947 | } | |
8e5c1c7c | 948 | if (imax - ROOTINO - n_files != sblock.fs_cstotal.cs_nifree) { |
6e884967 KM |
949 | pwarn("FREE INODE COUNT WRONG IN SUPERBLK"); |
950 | if (preen) | |
951 | printf(" (FIXED)\n"); | |
952 | if (preen || reply("FIX") == 1) { | |
bf4c734c | 953 | sblock.fs_cstotal.cs_nifree = imax - ROOTINO - n_files; |
6e884967 KM |
954 | sbdirty(); |
955 | } | |
956 | } | |
957 | flush(&dfile, &fileblk); | |
d2c95d76 | 958 | } |
6e884967 | 959 | |
d2c95d76 BJ |
960 | pass4check(blk, size) |
961 | daddr_t blk; | |
962 | { | |
963 | register daddr_t *dlp; | |
964 | int res = KEEPON; | |
965 | ||
966 | for (; size > 0; blk++, size--) { | |
f5971be7 | 967 | if (outrange(blk, 1)) |
d2c95d76 BJ |
968 | res = SKIP; |
969 | else if (getbmap(blk)) { | |
970 | for (dlp = duplist; dlp < enddup; dlp++) | |
971 | if (*dlp == blk) { | |
972 | *dlp = *--enddup; | |
973 | return (KEEPON); | |
974 | } | |
975 | clrbmap(blk); | |
976 | n_blks--; | |
977 | } | |
978 | } | |
979 | return (res); | |
980 | } | |
981 | ||
982 | pass5() | |
983 | { | |
984 | register int c, n, i, b, d; | |
f5971be7 BJ |
985 | short bo[MAXCPG][NRPOS]; |
986 | long botot[MAXCPG]; | |
987 | long frsum[MAXFRAG]; | |
988 | int blk; | |
989 | daddr_t cbase; | |
990 | int blockbits = (1<<sblock.fs_frag)-1; | |
d2c95d76 | 991 | |
0db712b3 | 992 | bcopy(blockmap, freemap, (unsigned)bmapsz); |
6e884967 | 993 | dupblk = 0; |
6994bf5d | 994 | n_index = sblock.fs_ncg * (cgdmin(&sblock, 0) - cgtod(&sblock, 0)); |
6e884967 | 995 | for (c = 0; c < sblock.fs_ncg; c++) { |
f5971be7 BJ |
996 | cbase = cgbase(&sblock, c); |
997 | bzero(botot, sizeof (botot)); | |
998 | bzero(bo, sizeof (bo)); | |
999 | bzero(frsum, sizeof (frsum)); | |
f3c028b7 | 1000 | /* |
bf541624 | 1001 | * need to account for the super blocks |
f3c028b7 KM |
1002 | * which appear (inaccurately) bad |
1003 | */ | |
bf541624 | 1004 | n_bad += cgtod(&sblock, c) - cgsblock(&sblock, c); |
6994bf5d | 1005 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) |
6e884967 | 1006 | continue; |
f5971be7 BJ |
1007 | if (cgrp.cg_magic != CG_MAGIC) { |
1008 | pfatal("cg %d: bad magic number\n", c); | |
1009 | bzero((caddr_t)&cgrp, sblock.fs_cgsize); | |
1010 | } | |
b6407c9d | 1011 | for (b = 0; b < sblock.fs_fpg; b += sblock.fs_frag) { |
f5971be7 BJ |
1012 | blk = blkmap(&sblock, cgrp.cg_free, b); |
1013 | if (blk == 0) | |
1014 | continue; | |
1015 | if (blk == blockbits) { | |
d2c95d76 | 1016 | if (pass5check(cbase+b, sblock.fs_frag) == STOP) |
6e884967 KM |
1017 | goto out5; |
1018 | /* this is clumsy ... */ | |
d2c95d76 BJ |
1019 | n_ffree -= sblock.fs_frag; |
1020 | n_bfree++; | |
1021 | botot[cbtocylno(&sblock, b)]++; | |
1022 | bo[cbtocylno(&sblock, b)] | |
1023 | [cbtorpos(&sblock, b)]++; | |
f5971be7 | 1024 | continue; |
d2c95d76 | 1025 | } |
f5971be7 BJ |
1026 | for (d = 0; d < sblock.fs_frag; d++) |
1027 | if ((blk & (1<<d)) && | |
1028 | pass5check(cbase+b+d,1) == STOP) | |
1029 | goto out5; | |
1030 | fragacct(&sblock, blk, frsum, 1); | |
6e884967 | 1031 | } |
f5971be7 BJ |
1032 | if (bcmp(cgrp.cg_frsum, frsum, sizeof (frsum))) { |
1033 | if (debug) | |
1034 | for (i = 0; i < sblock.fs_frag; i++) | |
1035 | if (cgrp.cg_frsum[i] != frsum[i]) | |
1036 | printf("cg[%d].cg_frsum[%d] have %d calc %d\n", | |
1037 | c, i, cgrp.cg_frsum[i], frsum[i]); | |
1038 | frsumbad++; | |
d2c95d76 | 1039 | } |
f5971be7 BJ |
1040 | if (bcmp(cgrp.cg_btot, botot, sizeof (botot))) { |
1041 | if (debug) | |
1042 | for (n = 0; n < sblock.fs_cpg; n++) | |
1043 | if (botot[n] != cgrp.cg_btot[n]) | |
1044 | printf("cg[%d].cg_btot[%d] have %d calc %d\n", | |
1045 | c, n, cgrp.cg_btot[n], botot[n]); | |
1046 | offsumbad++; | |
1047 | } | |
1048 | if (bcmp(cgrp.cg_b, bo, sizeof (bo))) { | |
1049 | if (debug) | |
d2c95d76 | 1050 | for (i = 0; i < NRPOS; i++) |
f5971be7 BJ |
1051 | if (bo[n][i] != cgrp.cg_b[n][i]) |
1052 | printf("cg[%d].cg_b[%d][%d] have %d calc %d\n", | |
1053 | c, n, i, cgrp.cg_b[n][i], bo[n][i]); | |
1054 | offsumbad++; | |
6e884967 KM |
1055 | } |
1056 | } | |
d2c95d76 BJ |
1057 | out5: |
1058 | if (dupblk) | |
1059 | pwarn("%d DUP BLKS IN BIT MAPS\n", dupblk); | |
1060 | if (fixcg == 0) { | |
1061 | if ((b = n_blks+n_ffree+sblock.fs_frag*n_bfree+n_index+n_bad) != fmax) { | |
1062 | pwarn("%ld BLK(S) MISSING\n", fmax - b); | |
1063 | fixcg = 1; | |
1064 | } else if (inosumbad + offsumbad + frsumbad + sbsumbad) { | |
1065 | pwarn("SUMMARY INFORMATION %s%s%s%sBAD\n", | |
1066 | inosumbad ? "(INODE FREE) " : "", | |
1067 | offsumbad ? "(BLOCK OFFSETS) " : "", | |
1068 | frsumbad ? "(FRAG SUMMARIES) " : "", | |
1069 | sbsumbad ? "(SUPER BLOCK SUMMARIES) " : ""); | |
1070 | fixcg = 1; | |
1071 | } else if (n_ffree != sblock.fs_cstotal.cs_nffree || | |
1072 | n_bfree != sblock.fs_cstotal.cs_nbfree) { | |
1073 | pwarn("FREE BLK COUNT(S) WRONG IN SUPERBLK"); | |
1074 | if (preen) | |
1075 | printf(" (FIXED)\n"); | |
1076 | if (preen || reply("FIX") == 1) { | |
1077 | sblock.fs_cstotal.cs_nffree = n_ffree; | |
1078 | sblock.fs_cstotal.cs_nbfree = n_bfree; | |
1079 | sbdirty(); | |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | if (fixcg) { | |
1084 | pwarn("BAD CYLINDER GROUPS"); | |
1085 | if (preen) | |
1086 | printf(" (SALVAGED)\n"); | |
1087 | else if (reply("SALVAGE") == 0) | |
1088 | fixcg = 0; | |
1089 | } | |
6e884967 KM |
1090 | } |
1091 | ||
d2c95d76 | 1092 | pass5check(blk, size) |
6e884967 KM |
1093 | daddr_t blk; |
1094 | int size; | |
1095 | { | |
6e884967 | 1096 | |
f5971be7 BJ |
1097 | if (outrange(blk, size)) { |
1098 | fixcg = 1; | |
1099 | if (preen) | |
1100 | pfatal("BAD BLOCKS IN BIT MAPS."); | |
1101 | if (++badblk >= MAXBAD) { | |
1102 | printf("EXCESSIVE BAD BLKS IN BIT MAPS."); | |
1103 | if (reply("CONTINUE") == 0) | |
1104 | errexit(""); | |
1105 | return (STOP); | |
1106 | } | |
1107 | } | |
1108 | for (; size > 0; blk++, size--) | |
1109 | if (getfmap(blk)) { | |
6e884967 | 1110 | fixcg = 1; |
7ebb5f4e | 1111 | ++dupblk; |
6e884967 KM |
1112 | } else { |
1113 | n_ffree++; | |
1114 | setfmap(blk); | |
1115 | } | |
f5971be7 | 1116 | return (KEEPON); |
6e884967 KM |
1117 | } |
1118 | ||
d2c95d76 BJ |
1119 | ckinode(dp, flg) |
1120 | DINODE *dp; | |
1121 | register flg; | |
1122 | { | |
1123 | register daddr_t *ap; | |
1124 | register ret; | |
1125 | int (*func)(), n, ndb, size, offset; | |
1126 | ino_t number = inum; | |
1127 | DINODE dino; | |
1128 | ||
1129 | if (SPECIAL) | |
1130 | return (KEEPON); | |
1131 | dino = *dp; | |
1132 | func = (flg == ADDR) ? pfunc : dirscan; | |
1133 | ndb = howmany(dino.di_size, sblock.fs_bsize); | |
1134 | for (ap = &dino.di_db[0]; ap < &dino.di_db[NDADDR]; ap++) { | |
1135 | if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0) | |
1136 | size = numfrags(&sblock, fragroundup(&sblock, offset)); | |
1137 | else | |
1138 | size = sblock.fs_frag; | |
1139 | dnum = number; | |
1140 | if (*ap && (ret = (*func)(*ap, size)) & STOP) | |
1141 | return (ret); | |
1142 | } | |
1143 | for (ap = &dino.di_ib[0], n = 1; n <= 2; ap++, n++) { | |
1144 | dnum = number; | |
1145 | if (*ap) { | |
1146 | ret = iblock(*ap, n, flg, | |
1147 | dino.di_size - sblock.fs_bsize * NDADDR); | |
1148 | if (ret & STOP) | |
1149 | return (ret); | |
1150 | } | |
1151 | } | |
1152 | return (KEEPON); | |
1153 | } | |
1154 | ||
1155 | iblock(blk, ilevel, flg, isize) | |
1156 | daddr_t blk; | |
1157 | register ilevel; | |
1158 | int isize; | |
1159 | { | |
1160 | register daddr_t *ap; | |
1161 | register daddr_t *aplim; | |
1162 | register int i, n; | |
1163 | int (*func)(), nif; | |
1164 | BUFAREA ib; | |
1165 | ||
1166 | if (flg == ADDR) { | |
1167 | func = pfunc; | |
1168 | if (((n = (*func)(blk, sblock.fs_frag)) & KEEPON) == 0) | |
1169 | return (n); | |
1170 | } else | |
1171 | func = dirscan; | |
f5971be7 | 1172 | if (outrange(blk, sblock.fs_frag)) /* protect thyself */ |
d2c95d76 BJ |
1173 | return (SKIP); |
1174 | initbarea(&ib); | |
1175 | if (getblk(&ib, blk, sblock.fs_bsize) == NULL) | |
1176 | return (SKIP); | |
1177 | ilevel--; | |
1178 | if (ilevel == 0) { | |
1179 | nif = lblkno(&sblock, isize) + 1; | |
1180 | } else /* ilevel == 1 */ { | |
1181 | nif = isize / (sblock.fs_bsize * NINDIR(&sblock)) + 1; | |
1182 | } | |
1183 | if (nif > NINDIR(&sblock)) | |
1184 | nif = NINDIR(&sblock); | |
1185 | aplim = &ib.b_un.b_indir[nif]; | |
1186 | for (ap = ib.b_un.b_indir, i = 1; ap < aplim; ap++, i++) | |
1187 | if (*ap) { | |
1188 | if (ilevel > 0) | |
1189 | n = iblock(*ap, ilevel, flg, | |
1190 | isize - i*NINDIR(&sblock)*sblock.fs_bsize); | |
1191 | else | |
1192 | n = (*func)(*ap, sblock.fs_frag); | |
1193 | if (n & STOP) | |
1194 | return (n); | |
1195 | } | |
1196 | return (KEEPON); | |
1197 | } | |
1198 | ||
f5971be7 | 1199 | outrange(blk, cnt) |
6e884967 | 1200 | daddr_t blk; |
f5971be7 | 1201 | int cnt; |
6e884967 KM |
1202 | { |
1203 | register int c; | |
1204 | ||
f5971be7 | 1205 | if ((unsigned)(blk+cnt) > fmax) |
6e884967 | 1206 | return (1); |
f5971be7 BJ |
1207 | c = dtog(&sblock, blk); |
1208 | if (blk < cgdmin(&sblock, c)) { | |
1209 | if ((blk+cnt) > cgsblock(&sblock, c)) { | |
1210 | if (debug) { | |
1211 | printf("blk %d < cgdmin %d;", | |
1212 | blk, cgdmin(&sblock, c)); | |
1213 | printf(" blk+cnt %d > cgsbase %d\n", | |
1214 | blk+cnt, cgsblock(&sblock, c)); | |
1215 | } | |
1216 | return (1); | |
1217 | } | |
1218 | } else { | |
1219 | if ((blk+cnt) > cgbase(&sblock, c+1)) { | |
1220 | if (debug) { | |
1221 | printf("blk %d >= cgdmin %d;", | |
1222 | blk, cgdmin(&sblock, c)); | |
1223 | printf(" blk+cnt %d > sblock.fs_fpg %d\n", | |
1224 | blk+cnt, sblock.fs_fpg); | |
1225 | } | |
1226 | return (1); | |
1227 | } | |
07670f7d | 1228 | } |
6e884967 KM |
1229 | return (0); |
1230 | } | |
1231 | ||
1232 | blkerr(s, blk) | |
1233 | daddr_t blk; | |
1234 | char *s; | |
1235 | { | |
f5262822 | 1236 | |
6e884967 KM |
1237 | pfatal("%ld %s I=%u", blk, s, inum); |
1238 | printf("\n"); | |
f5262822 | 1239 | statemap[inum] = CLEAR; |
6e884967 KM |
1240 | } |
1241 | ||
1242 | descend() | |
1243 | { | |
1244 | register DINODE *dp; | |
1245 | register char *savname; | |
1246 | off_t savsize; | |
1247 | ||
f5262822 | 1248 | statemap[inum] = FSTATE; |
6e884967 KM |
1249 | if ((dp = ginode()) == NULL) |
1250 | return; | |
1251 | savname = thisname; | |
1252 | *pathp++ = '/'; | |
1253 | savsize = filsize; | |
1254 | filsize = dp->di_size; | |
1255 | ckinode(dp, DATA); | |
1256 | thisname = savname; | |
1257 | *--pathp = 0; | |
1258 | filsize = savsize; | |
1259 | } | |
1260 | ||
24a31719 KM |
1261 | struct dirstuff { |
1262 | int loc; | |
1263 | int blkno; | |
1264 | int blksiz; | |
6c6be8f1 | 1265 | ino_t number; |
cf8ac751 | 1266 | enum {DONTKNOW, NOFIX, FIX} fix; |
24a31719 KM |
1267 | }; |
1268 | ||
6e884967 | 1269 | dirscan(blk, nf) |
8ebf61ca KM |
1270 | daddr_t blk; |
1271 | int nf; | |
6e884967 | 1272 | { |
24a31719 | 1273 | register DIRECT *dp; |
24a31719 | 1274 | struct dirstuff dirp; |
754cadb5 KM |
1275 | int blksiz, dsize, n; |
1276 | char dbuf[DIRBLKSIZ]; | |
6e884967 | 1277 | |
f5971be7 | 1278 | if (outrange(blk, 1)) { |
b6407c9d | 1279 | filsize -= sblock.fs_bsize; |
6e884967 KM |
1280 | return (SKIP); |
1281 | } | |
24a31719 KM |
1282 | blksiz = nf * sblock.fs_fsize; |
1283 | dirp.loc = 0; | |
1284 | dirp.blkno = blk; | |
1285 | dirp.blksiz = blksiz; | |
690f77ba KM |
1286 | if (dirp.number != dnum) { |
1287 | dirp.number = dnum; | |
cf8ac751 | 1288 | dirp.fix = DONTKNOW; |
690f77ba | 1289 | } |
24a31719 | 1290 | for (dp = readdir(&dirp); dp != NULL; dp = readdir(&dirp)) { |
754cadb5 | 1291 | dsize = dp->d_reclen; |
d2c95d76 | 1292 | bcopy(dp, dbuf, dsize); |
754cadb5 | 1293 | if ((n = (*pfunc)(dbuf)) & ALTERD) { |
24a31719 | 1294 | if (getblk(&fileblk, blk, blksiz) != NULL) { |
d2c95d76 | 1295 | bcopy(dbuf, dp, dsize); |
8ebf61ca | 1296 | dirty(&fileblk); |
6e884967 KM |
1297 | sbdirty(); |
1298 | } else | |
1299 | n &= ~ALTERD; | |
1300 | } | |
24a31719 | 1301 | if (n & STOP) |
6e884967 KM |
1302 | return (n); |
1303 | } | |
1304 | return (filsize > 0 ? KEEPON : STOP); | |
1305 | } | |
1306 | ||
24a31719 KM |
1307 | /* |
1308 | * get next entry in a directory. | |
1309 | */ | |
1310 | DIRECT * | |
1311 | readdir(dirp) | |
1312 | register struct dirstuff *dirp; | |
1313 | { | |
754cadb5 | 1314 | register DIRECT *dp, *ndp; |
690f77ba | 1315 | long size; |
24a31719 KM |
1316 | |
1317 | if (getblk(&fileblk, dirp->blkno, dirp->blksiz) == NULL) { | |
1318 | filsize -= dirp->blksiz - dirp->loc; | |
1319 | return NULL; | |
1320 | } | |
690f77ba KM |
1321 | while (dirp->loc % DIRBLKSIZ == 0 && filsize > 0 && |
1322 | dirp->loc < dirp->blksiz) { | |
052efd62 | 1323 | dp = (DIRECT *)(dirblk.b_buf + dirp->loc); |
690f77ba KM |
1324 | if (dp->d_ino < imax && |
1325 | dp->d_namlen <= MAXNAMLEN && dp->d_namlen >= 0 && | |
1326 | dp->d_reclen > 0 && dp->d_reclen <= DIRBLKSIZ) | |
1327 | break; | |
1328 | dirp->loc += DIRBLKSIZ; | |
1329 | filsize -= DIRBLKSIZ; | |
cf8ac751 | 1330 | if (dirp->fix == DONTKNOW) { |
5ca02310 | 1331 | pfatal("DIRECTORY %D CORRUPTED", dirp->number); |
cf8ac751 | 1332 | dirp->fix = NOFIX; |
5ca02310 | 1333 | if (reply("SALVAGE") != 0) |
cf8ac751 | 1334 | dirp->fix = FIX; |
690f77ba | 1335 | } |
cf8ac751 | 1336 | if (dirp->fix != FIX) |
24a31719 | 1337 | continue; |
690f77ba KM |
1338 | dp->d_reclen = DIRBLKSIZ; |
1339 | dp->d_ino = 0; | |
1340 | dp->d_namlen = 0; | |
1341 | dirty(&fileblk); | |
1342 | } | |
1343 | if (filsize <= 0 || dirp->loc >= dirp->blksiz) | |
1344 | return NULL; | |
1345 | dp = (DIRECT *)(dirblk.b_buf + dirp->loc); | |
1346 | dirp->loc += dp->d_reclen; | |
1347 | filsize -= dp->d_reclen; | |
1348 | ndp = (DIRECT *)(dirblk.b_buf + dirp->loc); | |
0b2a25e4 KM |
1349 | if ((filsize <= 0 && dirp->loc % DIRBLKSIZ != 0) || |
1350 | (dirp->loc < dirp->blksiz && filsize > 0 && | |
690f77ba KM |
1351 | (ndp->d_ino >= imax || |
1352 | ndp->d_namlen > MAXNAMLEN || ndp->d_namlen < 0 || | |
1353 | ndp->d_reclen <= 0 || | |
0b2a25e4 | 1354 | ndp->d_reclen > DIRBLKSIZ - (dirp->loc % DIRBLKSIZ)))) { |
690f77ba KM |
1355 | size = DIRBLKSIZ - (dirp->loc % DIRBLKSIZ); |
1356 | dirp->loc += size; | |
1357 | filsize -= size; | |
cf8ac751 | 1358 | if (dirp->fix == DONTKNOW) { |
5ca02310 | 1359 | pfatal("DIRECTORY %D CORRUPTED", dirp->number); |
cf8ac751 | 1360 | dirp->fix = NOFIX; |
5ca02310 | 1361 | if (reply("SALVAGE") != 0) |
cf8ac751 | 1362 | dirp->fix = FIX; |
690f77ba | 1363 | } |
cf8ac751 | 1364 | if (dirp->fix == FIX) { |
690f77ba KM |
1365 | dp->d_reclen += size; |
1366 | dirty(&fileblk); | |
754cadb5 | 1367 | } |
24a31719 | 1368 | } |
690f77ba | 1369 | return (dp); |
24a31719 KM |
1370 | } |
1371 | ||
6e884967 | 1372 | direrr(s) |
8ebf61ca | 1373 | char *s; |
6e884967 KM |
1374 | { |
1375 | register DINODE *dp; | |
1376 | ||
1377 | pwarn("%s ", s); | |
1378 | pinode(); | |
1379 | printf("\n"); | |
1380 | if ((dp = ginode()) != NULL && ftypeok(dp)) | |
24a31719 | 1381 | pfatal("%s=%s", DIRCT?"DIR":"FILE", pathname); |
6e884967 KM |
1382 | else |
1383 | pfatal("NAME=%s", pathname); | |
1384 | return (reply("REMOVE")); | |
1385 | } | |
1386 | ||
1387 | adjust(lcnt) | |
f3c028b7 | 1388 | register short lcnt; |
6e884967 KM |
1389 | { |
1390 | register DINODE *dp; | |
1391 | ||
1392 | if ((dp = ginode()) == NULL) | |
1393 | return; | |
1394 | if (dp->di_nlink == lcnt) { | |
1395 | if (linkup() == 0) | |
1396 | clri("UNREF", 0); | |
1397 | } | |
1398 | else { | |
1399 | pwarn("LINK COUNT %s", | |
24a31719 | 1400 | (lfdir==inum)?lfname:(DIRCT?"DIR":"FILE")); |
6e884967 KM |
1401 | pinode(); |
1402 | printf(" COUNT %d SHOULD BE %d", | |
1403 | dp->di_nlink, dp->di_nlink-lcnt); | |
1404 | if (preen) { | |
1405 | if (lcnt < 0) { | |
1406 | printf("\n"); | |
1407 | preendie(); | |
1408 | } | |
1409 | printf(" (ADJUSTED)\n"); | |
1410 | } | |
1411 | if (preen || reply("ADJUST") == 1) { | |
1412 | dp->di_nlink -= lcnt; | |
1413 | inodirty(); | |
1414 | } | |
1415 | } | |
1416 | } | |
1417 | ||
1418 | clri(s, flg) | |
8ebf61ca | 1419 | char *s; |
6e884967 KM |
1420 | { |
1421 | register DINODE *dp; | |
1422 | ||
1423 | if ((dp = ginode()) == NULL) | |
1424 | return; | |
1425 | if (flg == 1) { | |
24a31719 | 1426 | pwarn("%s %s", s, DIRCT?"DIR":"FILE"); |
6e884967 KM |
1427 | pinode(); |
1428 | } | |
1429 | if (preen || reply("CLEAR") == 1) { | |
1430 | if (preen) | |
1431 | printf(" (CLEARED)\n"); | |
1432 | n_files--; | |
d2c95d76 | 1433 | pfunc = pass4check; |
6e884967 KM |
1434 | ckinode(dp, ADDR); |
1435 | zapino(dp); | |
f5262822 | 1436 | statemap[inum] = USTATE; |
6e884967 KM |
1437 | inodirty(); |
1438 | inosumbad++; | |
1439 | } | |
1440 | } | |
1441 | ||
6e884967 KM |
1442 | badsb(s) |
1443 | char *s; | |
1444 | { | |
1445 | ||
1446 | if (preen) | |
1447 | printf("%s: ", devname); | |
1448 | printf("BAD SUPER BLOCK: %s\n", s); | |
1449 | pwarn("USE -b OPTION TO FSCK TO SPECIFY LOCATION OF AN ALTERNATE\n"); | |
1450 | pfatal("SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).\n"); | |
1451 | } | |
1452 | ||
1453 | DINODE * | |
1454 | ginode() | |
1455 | { | |
1456 | daddr_t iblk; | |
1457 | ||
f3385032 KM |
1458 | if (inum < ROOTINO || inum > imax) { |
1459 | if (debug && (inum < 0 || inum > imax)) | |
1460 | printf("inum out of range (%d)\n", inum); | |
6e884967 | 1461 | return (NULL); |
f3385032 | 1462 | } |
b6407c9d | 1463 | if (inum < startinum || inum >= startinum + INOPB(&sblock)) { |
6994bf5d | 1464 | iblk = itod(&sblock, inum); |
b6407c9d | 1465 | if (getblk(&inoblk, iblk, sblock.fs_bsize) == NULL) { |
6e884967 KM |
1466 | return (NULL); |
1467 | } | |
b6407c9d | 1468 | startinum = (inum / INOPB(&sblock)) * INOPB(&sblock); |
6e884967 | 1469 | } |
b6407c9d | 1470 | return (&inoblk.b_un.b_dinode[inum % INOPB(&sblock)]); |
6e884967 KM |
1471 | } |
1472 | ||
1473 | ftypeok(dp) | |
1474 | DINODE *dp; | |
1475 | { | |
1476 | switch (dp->di_mode & IFMT) { | |
1477 | ||
1478 | case IFDIR: | |
1479 | case IFREG: | |
1480 | case IFBLK: | |
1481 | case IFCHR: | |
ea47352d | 1482 | case IFLNK: |
6e884967 KM |
1483 | return (1); |
1484 | ||
1485 | default: | |
67272100 KM |
1486 | if (debug) |
1487 | printf("bad file type 0%o\n", dp->di_mode); | |
6e884967 KM |
1488 | return (0); |
1489 | } | |
1490 | } | |
1491 | ||
1492 | reply(s) | |
1493 | char *s; | |
1494 | { | |
1495 | char line[80]; | |
1496 | ||
1497 | if (preen) | |
1498 | pfatal("INTERNAL ERROR: GOT TO reply()"); | |
1499 | rplyflag = 1; | |
1500 | printf("\n%s? ", s); | |
1501 | if (nflag || dfile.wfdes < 0) { | |
1502 | printf(" no\n\n"); | |
1503 | return (0); | |
1504 | } | |
1505 | if (yflag) { | |
1506 | printf(" yes\n\n"); | |
1507 | return (1); | |
1508 | } | |
1509 | if (getline(stdin, line, sizeof(line)) == EOF) | |
1510 | errexit("\n"); | |
1511 | printf("\n"); | |
1512 | if (line[0] == 'y' || line[0] == 'Y') | |
1513 | return (1); | |
1514 | else | |
1515 | return (0); | |
1516 | } | |
1517 | ||
1518 | getline(fp, loc, maxlen) | |
1519 | FILE *fp; | |
1520 | char *loc; | |
1521 | { | |
1522 | register n; | |
1523 | register char *p, *lastloc; | |
1524 | ||
1525 | p = loc; | |
1526 | lastloc = &p[maxlen-1]; | |
1527 | while ((n = getc(fp)) != '\n') { | |
1528 | if (n == EOF) | |
1529 | return (EOF); | |
1530 | if (!isspace(n) && p < lastloc) | |
1531 | *p++ = n; | |
1532 | } | |
1533 | *p = 0; | |
1534 | return (p - loc); | |
1535 | } | |
1536 | ||
1537 | BUFAREA * | |
1538 | getblk(bp, blk, size) | |
1539 | daddr_t blk; | |
1540 | register BUFAREA *bp; | |
1541 | int size; | |
1542 | { | |
1543 | register struct filecntl *fcp; | |
b6407c9d | 1544 | daddr_t dblk; |
6e884967 KM |
1545 | |
1546 | fcp = &dfile; | |
b6407c9d KM |
1547 | dblk = fsbtodb(&sblock, blk); |
1548 | if (bp->b_bno == dblk) | |
6e884967 KM |
1549 | return (bp); |
1550 | flush(fcp, bp); | |
b6407c9d KM |
1551 | if (bread(fcp, bp->b_un.b_buf, dblk, size) != 0) { |
1552 | bp->b_bno = dblk; | |
6e884967 KM |
1553 | bp->b_size = size; |
1554 | return (bp); | |
1555 | } | |
1556 | bp->b_bno = (daddr_t)-1; | |
1557 | return (NULL); | |
1558 | } | |
1559 | ||
1560 | flush(fcp, bp) | |
1561 | struct filecntl *fcp; | |
1562 | register BUFAREA *bp; | |
1563 | { | |
1564 | ||
1565 | if (bp->b_dirty) | |
1566 | bwrite(fcp, bp->b_un.b_buf, bp->b_bno, bp->b_size); | |
1567 | bp->b_dirty = 0; | |
1568 | } | |
1569 | ||
1570 | rwerr(s, blk) | |
1571 | char *s; | |
1572 | daddr_t blk; | |
1573 | { | |
1574 | ||
1575 | if (preen == 0) | |
1576 | printf("\n"); | |
1577 | pfatal("CANNOT %s: BLK %ld", s, blk); | |
1578 | if (reply("CONTINUE") == 0) | |
1579 | errexit("Program terminated\n"); | |
1580 | } | |
1581 | ||
1582 | ckfini() | |
1583 | { | |
1584 | ||
1585 | flush(&dfile, &fileblk); | |
1586 | flush(&dfile, &sblk); | |
f3c028b7 KM |
1587 | if (sblk.b_bno != SBLOCK) { |
1588 | sblk.b_bno = SBLOCK; | |
1589 | sbdirty(); | |
1590 | flush(&dfile, &sblk); | |
1591 | } | |
6e884967 KM |
1592 | flush(&dfile, &inoblk); |
1593 | close(dfile.rfdes); | |
1594 | close(dfile.wfdes); | |
1595 | } | |
1596 | ||
1597 | pinode() | |
1598 | { | |
1599 | register DINODE *dp; | |
1600 | register char *p; | |
24a31719 | 1601 | char uidbuf[BUFSIZ]; |
6e884967 KM |
1602 | char *ctime(); |
1603 | ||
1604 | printf(" I=%u ", inum); | |
1605 | if ((dp = ginode()) == NULL) | |
1606 | return; | |
1607 | printf(" OWNER="); | |
1608 | if (getpw((int)dp->di_uid, uidbuf) == 0) { | |
1609 | for (p = uidbuf; *p != ':'; p++); | |
1610 | *p = 0; | |
1611 | printf("%s ", uidbuf); | |
1612 | } | |
1613 | else { | |
1614 | printf("%d ", dp->di_uid); | |
1615 | } | |
1616 | printf("MODE=%o\n", dp->di_mode); | |
1617 | if (preen) | |
1618 | printf("%s: ", devname); | |
1619 | printf("SIZE=%ld ", dp->di_size); | |
1620 | p = ctime(&dp->di_mtime); | |
1621 | printf("MTIME=%12.12s %4.4s ", p+4, p+20); | |
1622 | } | |
1623 | ||
6e884967 KM |
1624 | makecg() |
1625 | { | |
f3c028b7 | 1626 | int c, blk; |
bf541624 | 1627 | daddr_t dbase, d, dlower, dupper, dmax; |
6e884967 KM |
1628 | long i, j, s; |
1629 | register struct csum *cs; | |
f3c028b7 | 1630 | register DINODE *dp; |
6e884967 | 1631 | |
0947395d KM |
1632 | sblock.fs_cstotal.cs_nbfree = 0; |
1633 | sblock.fs_cstotal.cs_nffree = 0; | |
1634 | sblock.fs_cstotal.cs_nifree = 0; | |
1635 | sblock.fs_cstotal.cs_ndir = 0; | |
6e884967 | 1636 | for (c = 0; c < sblock.fs_ncg; c++) { |
6994bf5d | 1637 | dbase = cgbase(&sblock, c); |
6e884967 | 1638 | dmax = dbase + sblock.fs_fpg; |
8f99f49c | 1639 | if (dmax > sblock.fs_size) { |
bf4c734c | 1640 | for ( ; dmax >= sblock.fs_size; dmax--) |
2e9860b5 | 1641 | clrbit(cgrp.cg_free, dmax - dbase); |
8f99f49c KM |
1642 | dmax++; |
1643 | } | |
bf541624 KM |
1644 | dlower = cgsblock(&sblock, c) - dbase; |
1645 | dupper = cgdmin(&sblock, c) - dbase; | |
b6407c9d | 1646 | cs = &sblock.fs_cs(&sblock, c); |
6e884967 KM |
1647 | cgrp.cg_time = time(0); |
1648 | cgrp.cg_magic = CG_MAGIC; | |
1649 | cgrp.cg_cgx = c; | |
67272100 KM |
1650 | if (c == sblock.fs_ncg - 1) |
1651 | cgrp.cg_ncyl = sblock.fs_ncyl % sblock.fs_cpg; | |
1652 | else | |
1653 | cgrp.cg_ncyl = sblock.fs_cpg; | |
6e884967 KM |
1654 | cgrp.cg_niblk = sblock.fs_ipg; |
1655 | cgrp.cg_ndblk = dmax - dbase; | |
0947395d KM |
1656 | cgrp.cg_cs.cs_ndir = 0; |
1657 | cgrp.cg_cs.cs_nffree = 0; | |
1658 | cgrp.cg_cs.cs_nbfree = 0; | |
1659 | cgrp.cg_cs.cs_nifree = 0; | |
bf541624 KM |
1660 | cgrp.cg_rotor = 0; |
1661 | cgrp.cg_frotor = 0; | |
92ea6158 | 1662 | cgrp.cg_irotor = 0; |
b6407c9d | 1663 | for (i = 0; i < sblock.fs_frag; i++) |
f3c028b7 | 1664 | cgrp.cg_frsum[i] = 0; |
6e884967 | 1665 | inum = sblock.fs_ipg * c; |
f3c028b7 | 1666 | for (i = 0; i < sblock.fs_ipg; inum++, i++) { |
bf4c734c KM |
1667 | cgrp.cg_cs.cs_nifree++; |
1668 | clrbit(cgrp.cg_iused, i); | |
f3c028b7 KM |
1669 | dp = ginode(); |
1670 | if (dp == NULL) | |
1671 | continue; | |
1672 | if (ALLOC) { | |
24a31719 | 1673 | if (DIRCT) |
0947395d | 1674 | cgrp.cg_cs.cs_ndir++; |
bf4c734c | 1675 | cgrp.cg_cs.cs_nifree--; |
f3c028b7 KM |
1676 | setbit(cgrp.cg_iused, i); |
1677 | continue; | |
1678 | } | |
6e884967 KM |
1679 | } |
1680 | while (i < MAXIPG) { | |
1681 | clrbit(cgrp.cg_iused, i); | |
1682 | i++; | |
1683 | } | |
bf4c734c KM |
1684 | if (c == 0) |
1685 | for (i = 0; i < ROOTINO; i++) { | |
1686 | setbit(cgrp.cg_iused, i); | |
1687 | cgrp.cg_cs.cs_nifree--; | |
1688 | } | |
43f6367c KM |
1689 | for (s = 0; s < MAXCPG; s++) { |
1690 | cgrp.cg_btot[s] = 0; | |
6e884967 KM |
1691 | for (i = 0; i < NRPOS; i++) |
1692 | cgrp.cg_b[s][i] = 0; | |
43f6367c | 1693 | } |
6e884967 | 1694 | if (c == 0) { |
bf541624 | 1695 | dupper += howmany(sblock.fs_cssize, sblock.fs_fsize); |
6e884967 | 1696 | } |
bf541624 | 1697 | for (d = dlower; d < dupper; d++) |
6e884967 | 1698 | clrbit(cgrp.cg_free, d); |
bf541624 KM |
1699 | for (d = 0; (d + sblock.fs_frag) <= dmax - dbase; |
1700 | d += sblock.fs_frag) { | |
6e884967 | 1701 | j = 0; |
b6407c9d | 1702 | for (i = 0; i < sblock.fs_frag; i++) { |
bf541624 KM |
1703 | if (!getbmap(dbase + d + i)) { |
1704 | setbit(cgrp.cg_free, d + i); | |
6e884967 KM |
1705 | j++; |
1706 | } else | |
1707 | clrbit(cgrp.cg_free, d+i); | |
1708 | } | |
b6407c9d | 1709 | if (j == sblock.fs_frag) { |
0947395d | 1710 | cgrp.cg_cs.cs_nbfree++; |
43f6367c | 1711 | cgrp.cg_btot[cbtocylno(&sblock, d)]++; |
aca50d72 KM |
1712 | cgrp.cg_b[cbtocylno(&sblock, d)] |
1713 | [cbtorpos(&sblock, d)]++; | |
f3c028b7 | 1714 | } else if (j > 0) { |
0947395d | 1715 | cgrp.cg_cs.cs_nffree += j; |
bf541624 | 1716 | blk = blkmap(&sblock, cgrp.cg_free, d); |
b6407c9d | 1717 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1718 | } |
6e884967 | 1719 | } |
f3c028b7 | 1720 | for (j = d; d < dmax - dbase; d++) { |
bf541624 | 1721 | if (!getbmap(dbase + d)) { |
6e884967 | 1722 | setbit(cgrp.cg_free, d); |
0947395d | 1723 | cgrp.cg_cs.cs_nffree++; |
6e884967 KM |
1724 | } else |
1725 | clrbit(cgrp.cg_free, d); | |
1726 | } | |
67272100 KM |
1727 | for (; d % sblock.fs_frag != 0; d++) |
1728 | clrbit(cgrp.cg_free, d); | |
f3c028b7 | 1729 | if (j != d) { |
bf541624 | 1730 | blk = blkmap(&sblock, cgrp.cg_free, j); |
b6407c9d | 1731 | fragacct(&sblock, blk, cgrp.cg_frsum, 1); |
f3c028b7 | 1732 | } |
67272100 KM |
1733 | for (d /= sblock.fs_frag; d < MAXBPG(&sblock); d ++) |
1734 | clrblock(&sblock, cgrp.cg_free, d); | |
0947395d KM |
1735 | sblock.fs_cstotal.cs_nffree += cgrp.cg_cs.cs_nffree; |
1736 | sblock.fs_cstotal.cs_nbfree += cgrp.cg_cs.cs_nbfree; | |
1737 | sblock.fs_cstotal.cs_nifree += cgrp.cg_cs.cs_nifree; | |
1738 | sblock.fs_cstotal.cs_ndir += cgrp.cg_cs.cs_ndir; | |
1739 | *cs = cgrp.cg_cs; | |
6994bf5d | 1740 | bwrite(&dfile, &cgrp, fsbtodb(&sblock, cgtod(&sblock, c)), |
3352e84a | 1741 | sblock.fs_cgsize); |
6e884967 | 1742 | } |
bf541624 KM |
1743 | for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { |
1744 | bwrite(&dfile, (char *)sblock.fs_csp[j], | |
1745 | fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), | |
1746 | sblock.fs_cssize - i < sblock.fs_bsize ? | |
1747 | sblock.fs_cssize - i : sblock.fs_bsize); | |
c2a050cf | 1748 | } |
6e884967 KM |
1749 | sblock.fs_ronly = 0; |
1750 | sblock.fs_fmod = 0; | |
1751 | sbdirty(); | |
1752 | } | |
1753 | ||
1754 | findino(dirp) | |
1755 | register DIRECT *dirp; | |
1756 | { | |
6e884967 KM |
1757 | if (dirp->d_ino == 0) |
1758 | return (KEEPON); | |
24a31719 KM |
1759 | if (!strcmp(dirp->d_name, srchname)) { |
1760 | if (dirp->d_ino >= ROOTINO && dirp->d_ino <= imax) | |
1761 | parentdir = dirp->d_ino; | |
1762 | return (STOP); | |
6e884967 KM |
1763 | } |
1764 | return (KEEPON); | |
1765 | } | |
1766 | ||
1767 | mkentry(dirp) | |
1768 | register DIRECT *dirp; | |
1769 | { | |
1770 | register ino_t in; | |
1771 | register char *p; | |
754cadb5 KM |
1772 | DIRECT newent; |
1773 | int newlen, oldlen; | |
6e884967 | 1774 | |
754cadb5 KM |
1775 | newent.d_namlen = 11; |
1776 | newlen = DIRSIZ(&newent); | |
1777 | if (dirp->d_ino != 0) | |
1778 | oldlen = DIRSIZ(dirp); | |
1779 | else | |
1780 | oldlen = 0; | |
1781 | if (dirp->d_reclen - oldlen < newlen) | |
6e884967 | 1782 | return (KEEPON); |
754cadb5 KM |
1783 | newent.d_reclen = dirp->d_reclen - oldlen; |
1784 | dirp->d_reclen = oldlen; | |
1785 | dirp = (struct direct *)(((char *)dirp) + oldlen); | |
6e884967 | 1786 | dirp->d_ino = orphan; |
754cadb5 KM |
1787 | dirp->d_reclen = newent.d_reclen; |
1788 | p = &dirp->d_name[2]; | |
1789 | for (in = imax; in > 0; in /= 10) | |
1790 | p++; | |
6e884967 | 1791 | *--p = 0; |
754cadb5 KM |
1792 | dirp->d_namlen = p - dirp->d_name; |
1793 | in = orphan; | |
6e884967 KM |
1794 | while (p > dirp->d_name) { |
1795 | *--p = (in % 10) + '0'; | |
1796 | in /= 10; | |
1797 | } | |
1798 | *p = '#'; | |
1799 | return (ALTERD|STOP); | |
1800 | } | |
1801 | ||
1802 | chgdd(dirp) | |
1803 | register DIRECT *dirp; | |
1804 | { | |
1805 | if (dirp->d_name[0] == '.' && dirp->d_name[1] == '.' && | |
1806 | dirp->d_name[2] == 0) { | |
1807 | dirp->d_ino = lfdir; | |
1808 | return (ALTERD|STOP); | |
1809 | } | |
1810 | return (KEEPON); | |
1811 | } | |
1812 | ||
1813 | linkup() | |
1814 | { | |
1815 | register DINODE *dp; | |
1816 | register lostdir; | |
1817 | register ino_t pdir; | |
1818 | ||
1819 | if ((dp = ginode()) == NULL) | |
1820 | return (0); | |
24a31719 | 1821 | lostdir = DIRCT; |
6e884967 KM |
1822 | pdir = parentdir; |
1823 | pwarn("UNREF %s ", lostdir ? "DIR" : "FILE"); | |
1824 | pinode(); | |
1825 | if (preen && dp->di_size == 0) | |
1826 | return (0); | |
1827 | if (preen) | |
1828 | printf(" (RECONNECTED)\n"); | |
1829 | else | |
1830 | if (reply("RECONNECT") == 0) | |
1831 | return (0); | |
1832 | orphan = inum; | |
1833 | if (lfdir == 0) { | |
1834 | inum = ROOTINO; | |
1835 | if ((dp = ginode()) == NULL) { | |
1836 | inum = orphan; | |
1837 | return (0); | |
1838 | } | |
1839 | pfunc = findino; | |
1840 | srchname = lfname; | |
1841 | filsize = dp->di_size; | |
1842 | parentdir = 0; | |
1843 | ckinode(dp, DATA); | |
1844 | inum = orphan; | |
1845 | if ((lfdir = parentdir) == 0) { | |
1846 | pfatal("SORRY. NO lost+found DIRECTORY"); | |
1847 | printf("\n\n"); | |
1848 | return (0); | |
1849 | } | |
1850 | } | |
1851 | inum = lfdir; | |
f5262822 | 1852 | if ((dp = ginode()) == NULL || !DIRCT || statemap[inum] != FSTATE) { |
6e884967 KM |
1853 | inum = orphan; |
1854 | pfatal("SORRY. NO lost+found DIRECTORY"); | |
1855 | printf("\n\n"); | |
1856 | return (0); | |
1857 | } | |
3352e84a KM |
1858 | if (fragoff(&sblock, dp->di_size)) { |
1859 | dp->di_size = fragroundup(&sblock, dp->di_size); | |
6e884967 KM |
1860 | inodirty(); |
1861 | } | |
1862 | filsize = dp->di_size; | |
1863 | inum = orphan; | |
1864 | pfunc = mkentry; | |
1865 | if ((ckinode(dp, DATA) & ALTERD) == 0) { | |
1866 | pfatal("SORRY. NO SPACE IN lost+found DIRECTORY"); | |
1867 | printf("\n\n"); | |
1868 | return (0); | |
1869 | } | |
f5262822 | 1870 | lncntp[inum]--; |
6e884967 KM |
1871 | if (lostdir) { |
1872 | pfunc = chgdd; | |
1873 | dp = ginode(); | |
1874 | filsize = dp->di_size; | |
1875 | ckinode(dp, DATA); | |
1876 | inum = lfdir; | |
1877 | if ((dp = ginode()) != NULL) { | |
1878 | dp->di_nlink++; | |
1879 | inodirty(); | |
f5262822 | 1880 | lncntp[inum]++; |
6e884967 KM |
1881 | } |
1882 | inum = orphan; | |
1883 | pwarn("DIR I=%u CONNECTED. ", orphan); | |
1884 | printf("PARENT WAS I=%u\n", pdir); | |
1885 | if (preen == 0) | |
1886 | printf("\n"); | |
1887 | } | |
1888 | return (1); | |
1889 | } | |
1890 | ||
1891 | bread(fcp, buf, blk, size) | |
1892 | daddr_t blk; | |
1893 | register struct filecntl *fcp; | |
1894 | register size; | |
1895 | char *buf; | |
1896 | { | |
5e01ca34 | 1897 | if (lseek(fcp->rfdes, dbtob(blk), 0) < 0) |
6e884967 KM |
1898 | rwerr("SEEK", blk); |
1899 | else if (read(fcp->rfdes, buf, size) == size) | |
1900 | return (1); | |
1901 | rwerr("READ", blk); | |
1902 | return (0); | |
1903 | } | |
1904 | ||
1905 | bwrite(fcp, buf, blk, size) | |
1906 | daddr_t blk; | |
1907 | register struct filecntl *fcp; | |
1908 | register size; | |
1909 | char *buf; | |
1910 | { | |
1911 | ||
1912 | if (fcp->wfdes < 0) | |
1913 | return (0); | |
5e01ca34 | 1914 | if (lseek(fcp->wfdes, dbtob(blk), 0) < 0) |
6e884967 KM |
1915 | rwerr("SEEK", blk); |
1916 | else if (write(fcp->wfdes, buf, size) == size) { | |
1917 | fcp->mod = 1; | |
1918 | return (1); | |
1919 | } | |
1920 | rwerr("WRITE", blk); | |
1921 | return (0); | |
1922 | } | |
1923 | ||
1924 | catch() | |
1925 | { | |
1926 | ||
1927 | ckfini(); | |
1928 | exit(12); | |
1929 | } | |
b6407c9d | 1930 | |
d2c95d76 BJ |
1931 | char * |
1932 | unrawname(cp) | |
1933 | char *cp; | |
1934 | { | |
1935 | char *dp = rindex(cp, '/'); | |
1936 | struct stat stb; | |
1937 | ||
1938 | if (dp == 0) | |
1939 | return (cp); | |
1940 | if (stat(cp, &stb) < 0) | |
1941 | return (cp); | |
1942 | if ((stb.st_mode&S_IFMT) != S_IFCHR) | |
1943 | return (cp); | |
1944 | if (*(dp+1) != 'r') | |
1945 | return (cp); | |
1946 | strcpy(dp+1, dp+2); | |
1947 | return (cp); | |
1948 | } | |
1949 | ||
1950 | char * | |
1951 | rawname(cp) | |
1952 | char *cp; | |
1953 | { | |
1954 | static char rawbuf[32]; | |
1955 | char *dp = rindex(cp, '/'); | |
1956 | ||
1957 | if (dp == 0) | |
1958 | return (0); | |
1959 | *dp = 0; | |
1960 | strcpy(rawbuf, cp); | |
1961 | *dp = '/'; | |
1962 | strcat(rawbuf, "/r"); | |
1963 | strcat(rawbuf, dp+1); | |
1964 | return (rawbuf); | |
1965 | } | |
1966 | ||
1967 | /* VARARGS1 */ | |
1968 | error(s1, s2, s3, s4) | |
1969 | char *s1; | |
1970 | { | |
4d308541 | 1971 | |
d2c95d76 BJ |
1972 | printf(s1, s2, s3, s4); |
1973 | } | |
4d308541 | 1974 | |
d2c95d76 BJ |
1975 | /* VARARGS1 */ |
1976 | errexit(s1, s2, s3, s4) | |
1977 | char *s1; | |
1978 | { | |
1979 | error(s1, s2, s3, s4); | |
1980 | exit(8); | |
1981 | } | |
4d308541 KM |
1982 | |
1983 | /* | |
d2c95d76 | 1984 | * An inconsistency occured which shouldn't during normal operations. |
af5ba2f8 | 1985 | * Die if preening, otherwise just printf. |
4d308541 | 1986 | */ |
d2c95d76 BJ |
1987 | /* VARARGS1 */ |
1988 | pfatal(s, a1, a2, a3) | |
1989 | char *s; | |
1990 | { | |
4d308541 | 1991 | |
d2c95d76 BJ |
1992 | if (preen) { |
1993 | printf("%s: ", devname); | |
1994 | printf(s, a1, a2, a3); | |
1995 | printf("\n"); | |
1996 | preendie(); | |
1997 | } | |
1998 | printf(s, a1, a2, a3); | |
1999 | } | |
4d308541 | 2000 | |
d2c95d76 BJ |
2001 | preendie() |
2002 | { | |
4d308541 | 2003 | |
d2c95d76 BJ |
2004 | printf("%s: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.\n", devname); |
2005 | exit(8); | |
2006 | } | |
4d308541 KM |
2007 | |
2008 | /* | |
d2c95d76 BJ |
2009 | * Pwarn is like printf when not preening, |
2010 | * or a warning (preceded by filename) when preening. | |
4d308541 | 2011 | */ |
d2c95d76 BJ |
2012 | /* VARARGS1 */ |
2013 | pwarn(s, a1, a2, a3, a4, a5, a6) | |
2014 | char *s; | |
2015 | { | |
2016 | ||
2017 | if (preen) | |
2018 | printf("%s: ", devname); | |
2019 | printf(s, a1, a2, a3, a4, a5, a6); | |
2020 | } | |
9a4020f4 BJ |
2021 | |
2022 | panic(s) | |
2023 | char *s; | |
2024 | { | |
2025 | ||
2026 | pfatal("internal inconsistency: %s\n"); | |
2027 | exit(12); | |
2028 | } |