Commit | Line | Data |
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15e0f143 | 1 | static char *sccsid = "@(#)ncheck.c 2.2 (Berkeley) %G%"; |
d9c5783d KM |
2 | /* |
3 | * ncheck -- obtain file names from reading filesystem | |
4 | */ | |
5 | ||
b6407c9d KM |
6 | #define NB 500 |
7 | #define HSIZE 2503 | |
c312eebd | 8 | #define MAXNINDIR (MAXBSIZE / sizeof (daddr_t)) |
d9c5783d | 9 | |
61b11ef4 KM |
10 | #ifndef SIMFS |
11 | #include <sys/param.h> | |
12 | #include <sys/inode.h> | |
13 | #include <sys/fs.h> | |
14 | #else | |
d9c5783d KM |
15 | #include "../h/param.h" |
16 | #include "../h/inode.h" | |
d9c5783d | 17 | #include "../h/fs.h" |
61b11ef4 | 18 | #endif |
5086d197 | 19 | #include <stdio.h> |
15e0f143 | 20 | #include <dir.h> |
d9c5783d KM |
21 | |
22 | struct fs sblock; | |
23 | struct dinode itab[MAXIPG]; | |
56d45dcd | 24 | struct dinode *gip; |
61b11ef4 KM |
25 | struct ilist { |
26 | ino_t ino; | |
27 | u_short mode; | |
28 | short uid; | |
29 | short gid; | |
30 | } ilist[NB]; | |
d9c5783d KM |
31 | struct htab |
32 | { | |
33 | ino_t h_ino; | |
34 | ino_t h_pino; | |
5086d197 | 35 | char *h_name; |
d9c5783d | 36 | } htab[HSIZE]; |
5086d197 KM |
37 | char strngtab[30 * HSIZE]; |
38 | int strngloc; | |
39 | ||
40 | struct dirstuff { | |
41 | int loc; | |
42 | struct dinode *ip; | |
43 | char dbuf[MAXBSIZE]; | |
44 | }; | |
d9c5783d KM |
45 | |
46 | int aflg; | |
47 | int sflg; | |
61b11ef4 KM |
48 | int iflg; /* number of inodes being searched for */ |
49 | int mflg; | |
d9c5783d KM |
50 | int fi; |
51 | ino_t ino; | |
52 | int nhent; | |
53 | int nxfile; | |
54 | ||
55 | int nerror; | |
56 | daddr_t bmap(); | |
57 | long atol(); | |
58 | struct htab *lookup(); | |
59 | ||
60 | main(argc, argv) | |
20380c05 KM |
61 | int argc; |
62 | char *argv[]; | |
d9c5783d KM |
63 | { |
64 | register i; | |
65 | long n; | |
66 | ||
67 | while (--argc) { | |
68 | argv++; | |
69 | if (**argv=='-') | |
70 | switch ((*argv)[1]) { | |
71 | ||
72 | case 'a': | |
73 | aflg++; | |
74 | continue; | |
75 | ||
76 | case 'i': | |
61b11ef4 | 77 | for(iflg=0; iflg<NB; iflg++) { |
d9c5783d KM |
78 | n = atol(argv[1]); |
79 | if(n == 0) | |
80 | break; | |
61b11ef4 KM |
81 | ilist[iflg].ino = n; |
82 | nxfile = iflg; | |
d9c5783d KM |
83 | argv++; |
84 | argc--; | |
85 | } | |
86 | continue; | |
87 | ||
61b11ef4 KM |
88 | case 'm': |
89 | mflg++; | |
90 | continue; | |
91 | ||
d9c5783d KM |
92 | case 's': |
93 | sflg++; | |
94 | continue; | |
95 | ||
96 | default: | |
97 | fprintf(stderr, "ncheck: bad flag %c\n", (*argv)[1]); | |
98 | nerror++; | |
99 | } | |
100 | check(*argv); | |
101 | } | |
102 | return(nerror); | |
103 | } | |
104 | ||
105 | check(file) | |
20380c05 | 106 | char *file; |
d9c5783d | 107 | { |
20380c05 KM |
108 | register int i, j, c; |
109 | int nfiles; | |
d9c5783d KM |
110 | |
111 | fi = open(file, 0); | |
112 | if(fi < 0) { | |
113 | fprintf(stderr, "ncheck: cannot open %s\n", file); | |
114 | nerror++; | |
115 | return; | |
116 | } | |
117 | nhent = 0; | |
118 | printf("%s:\n", file); | |
119 | sync(); | |
c312eebd | 120 | bread(SBLOCK, (char *)&sblock, SBSIZE); |
20380c05 KM |
121 | if (sblock.fs_magic != FS_MAGIC) { |
122 | printf("%s: not a file system\n", file); | |
123 | nerror++; | |
124 | return; | |
125 | } | |
d9c5783d KM |
126 | ino = 0; |
127 | for (c = 0; c < sblock.fs_ncg; c++) { | |
6994bf5d | 128 | bread(fsbtodb(&sblock, cgimin(&sblock, c)), (char *)itab, |
d9c5783d | 129 | sblock.fs_ipg * sizeof (struct dinode)); |
61b11ef4 KM |
130 | for(j = 0; j < sblock.fs_ipg; j++) { |
131 | if (itab[j].di_mode != 0) | |
132 | pass1(&itab[j]); | |
d9c5783d KM |
133 | ino++; |
134 | } | |
135 | } | |
61b11ef4 | 136 | ilist[nxfile+1].ino = 0; |
d9c5783d KM |
137 | ino = 0; |
138 | for (c = 0; c < sblock.fs_ncg; c++) { | |
6994bf5d | 139 | bread(fsbtodb(&sblock, cgimin(&sblock, c)), (char *)itab, |
d9c5783d | 140 | sblock.fs_ipg * sizeof (struct dinode)); |
61b11ef4 KM |
141 | for(j = 0; j < sblock.fs_ipg; j++) { |
142 | if (itab[j].di_mode != 0) | |
143 | pass2(&itab[j]); | |
d9c5783d KM |
144 | ino++; |
145 | } | |
146 | } | |
147 | ino = 0; | |
148 | for (c = 0; c < sblock.fs_ncg; c++) { | |
6994bf5d | 149 | bread(fsbtodb(&sblock, cgimin(&sblock, c)), (char *)itab, |
d9c5783d | 150 | sblock.fs_ipg * sizeof (struct dinode)); |
61b11ef4 KM |
151 | for(j = 0; j < sblock.fs_ipg; j++) { |
152 | if (itab[j].di_mode != 0) | |
153 | pass3(&itab[j]); | |
d9c5783d KM |
154 | ino++; |
155 | } | |
156 | } | |
61b11ef4 KM |
157 | close(fi); |
158 | for (i = 0; i < HSIZE; i++) | |
159 | htab[i].h_ino = 0; | |
160 | for (i = iflg; i < NB; i++) | |
161 | ilist[i].ino = 0; | |
162 | nxfile = iflg; | |
d9c5783d KM |
163 | } |
164 | ||
165 | pass1(ip) | |
20380c05 | 166 | register struct dinode *ip; |
d9c5783d | 167 | { |
61b11ef4 KM |
168 | int i; |
169 | ||
170 | if (mflg) | |
171 | for (i = 0; i < iflg; i++) | |
172 | if (ino == ilist[i].ino) { | |
173 | ilist[i].mode = ip->di_mode; | |
174 | ilist[i].uid = ip->di_uid; | |
175 | ilist[i].gid = ip->di_gid; | |
176 | } | |
177 | if ((ip->di_mode & IFMT) != IFDIR) { | |
d9c5783d KM |
178 | if (sflg==0 || nxfile>=NB) |
179 | return; | |
180 | if ((ip->di_mode&IFMT)==IFBLK || (ip->di_mode&IFMT)==IFCHR | |
61b11ef4 KM |
181 | || ip->di_mode&(ISUID|ISGID)) { |
182 | ilist[nxfile].ino = ino; | |
183 | ilist[nxfile].mode = ip->di_mode; | |
184 | ilist[nxfile].uid = ip->di_uid; | |
185 | ilist[nxfile++].gid = ip->di_gid; | |
d9c5783d | 186 | return; |
61b11ef4 | 187 | } |
d9c5783d KM |
188 | } |
189 | lookup(ino, 1); | |
190 | } | |
191 | ||
192 | pass2(ip) | |
20380c05 | 193 | register struct dinode *ip; |
d9c5783d | 194 | { |
5086d197 KM |
195 | register struct direct *dp; |
196 | struct dirstuff dirp; | |
d9c5783d | 197 | struct htab *hp; |
d9c5783d KM |
198 | |
199 | if((ip->di_mode&IFMT) != IFDIR) | |
200 | return; | |
5086d197 KM |
201 | dirp.loc = 0; |
202 | dirp.ip = ip; | |
56d45dcd | 203 | gip = ip; |
5086d197 KM |
204 | for (dp = readdir(&dirp); dp != NULL; dp = readdir(&dirp)) { |
205 | if(dp->d_ino == 0) | |
206 | continue; | |
207 | hp = lookup(dp->d_ino, 0); | |
208 | if(hp == 0) | |
209 | continue; | |
210 | if(dotname(dp)) | |
211 | continue; | |
212 | hp->h_pino = ino; | |
213 | hp->h_name = &strngtab[strngloc]; | |
214 | strngloc += strlen(dp->d_name) + 1; | |
215 | strcpy(hp->h_name, dp->d_name); | |
d9c5783d KM |
216 | } |
217 | } | |
218 | ||
219 | pass3(ip) | |
20380c05 | 220 | register struct dinode *ip; |
d9c5783d | 221 | { |
5086d197 KM |
222 | register struct direct *dp; |
223 | struct dirstuff dirp; | |
d9c5783d | 224 | int k; |
d9c5783d KM |
225 | |
226 | if((ip->di_mode&IFMT) != IFDIR) | |
227 | return; | |
5086d197 KM |
228 | dirp.loc = 0; |
229 | dirp.ip = ip; | |
56d45dcd | 230 | gip = ip; |
5086d197 | 231 | for(dp = readdir(&dirp); dp != NULL; dp = readdir(&dirp)) { |
5086d197 KM |
232 | if(aflg==0 && dotname(dp)) |
233 | continue; | |
61b11ef4 | 234 | if(sflg == 0 && iflg == 0) |
5086d197 | 235 | goto pr; |
61b11ef4 KM |
236 | for(k = 0; ilist[k].ino != 0; k++) |
237 | if(ilist[k].ino == dp->d_ino) | |
238 | break; | |
239 | if (ilist[k].ino == 0) | |
240 | continue; | |
241 | if (mflg) | |
242 | printf("mode %-6o uid %-5d gid %-5d ino ", | |
243 | ilist[k].mode, ilist[k].uid, ilist[k].gid); | |
5086d197 | 244 | pr: |
61b11ef4 | 245 | printf("%-5u\t", dp->d_ino); |
5086d197 KM |
246 | pname(ino, 0); |
247 | printf("/%s", dp->d_name); | |
248 | if (lookup(dp->d_ino, 0)) | |
249 | printf("/."); | |
250 | printf("\n"); | |
251 | } | |
252 | } | |
253 | ||
254 | /* | |
255 | * get next entry in a directory. | |
256 | */ | |
257 | struct direct * | |
258 | readdir(dirp) | |
259 | register struct dirstuff *dirp; | |
260 | { | |
261 | register struct direct *dp; | |
262 | daddr_t lbn, d; | |
263 | ||
264 | for(;;) { | |
265 | if (dirp->loc >= dirp->ip->di_size) | |
266 | return NULL; | |
3352e84a | 267 | if ((lbn = lblkno(&sblock, dirp->loc)) == 0) { |
5086d197 KM |
268 | d = bmap(lbn); |
269 | if(d == 0) | |
270 | return NULL; | |
271 | bread(fsbtodb(&sblock, d), dirp->dbuf, | |
272 | dblksize(&sblock, dirp->ip, lbn)); | |
d9c5783d | 273 | } |
5086d197 | 274 | dp = (struct direct *) |
3352e84a | 275 | (dirp->dbuf + blkoff(&sblock, dirp->loc)); |
5086d197 KM |
276 | dirp->loc += dp->d_reclen; |
277 | if (dp->d_ino == 0) | |
278 | continue; | |
279 | return (dp); | |
d9c5783d KM |
280 | } |
281 | } | |
282 | ||
283 | dotname(dp) | |
20380c05 | 284 | register struct direct *dp; |
d9c5783d KM |
285 | { |
286 | ||
287 | if (dp->d_name[0]=='.') | |
5086d197 KM |
288 | if (dp->d_name[1]==0 || |
289 | (dp->d_name[1]=='.' && dp->d_name[2]==0)) | |
d9c5783d KM |
290 | return(1); |
291 | return(0); | |
292 | } | |
293 | ||
294 | pname(i, lev) | |
20380c05 KM |
295 | ino_t i; |
296 | int lev; | |
d9c5783d KM |
297 | { |
298 | register struct htab *hp; | |
299 | ||
300 | if (i==ROOTINO) | |
301 | return; | |
302 | if ((hp = lookup(i, 0)) == 0) { | |
303 | printf("???"); | |
304 | return; | |
305 | } | |
306 | if (lev > 10) { | |
307 | printf("..."); | |
308 | return; | |
309 | } | |
310 | pname(hp->h_pino, ++lev); | |
5086d197 | 311 | printf("/%s", hp->h_name); |
d9c5783d KM |
312 | } |
313 | ||
314 | struct htab * | |
315 | lookup(i, ef) | |
20380c05 KM |
316 | ino_t i; |
317 | int ef; | |
d9c5783d KM |
318 | { |
319 | register struct htab *hp; | |
320 | ||
321 | for (hp = &htab[i%HSIZE]; hp->h_ino;) { | |
322 | if (hp->h_ino==i) | |
323 | return(hp); | |
324 | if (++hp >= &htab[HSIZE]) | |
325 | hp = htab; | |
326 | } | |
327 | if (ef==0) | |
328 | return(0); | |
329 | if (++nhent >= HSIZE) { | |
330 | fprintf(stderr, "ncheck: out of core-- increase HSIZE\n"); | |
331 | exit(1); | |
332 | } | |
333 | hp->h_ino = i; | |
334 | return(hp); | |
335 | } | |
336 | ||
337 | bread(bno, buf, cnt) | |
20380c05 KM |
338 | daddr_t bno; |
339 | char *buf; | |
340 | int cnt; | |
d9c5783d KM |
341 | { |
342 | register i; | |
343 | ||
b6407c9d | 344 | lseek(fi, bno * DEV_BSIZE, 0); |
d9c5783d KM |
345 | if (read(fi, buf, cnt) != cnt) { |
346 | fprintf(stderr, "ncheck: read error %d\n", bno); | |
b6407c9d | 347 | for(i=0; i < cnt; i++) |
d9c5783d KM |
348 | buf[i] = 0; |
349 | } | |
350 | } | |
351 | ||
352 | daddr_t | |
353 | bmap(i) | |
20380c05 | 354 | int i; |
d9c5783d | 355 | { |
b6407c9d | 356 | daddr_t ibuf[MAXNINDIR]; |
d9c5783d | 357 | |
56d45dcd KM |
358 | if(i < NDADDR) |
359 | return(gip->di_db[i]); | |
360 | i -= NDADDR; | |
b6407c9d | 361 | if(i > NINDIR(&sblock)) { |
d9c5783d KM |
362 | fprintf(stderr, "ncheck: %u - huge directory\n", ino); |
363 | return((daddr_t)0); | |
364 | } | |
b6407c9d | 365 | bread(fsbtodb(&sblock, gip->di_ib[i]), (char *)ibuf, sizeof(ibuf)); |
d9c5783d KM |
366 | return(ibuf[i]); |
367 | } |