1 /* $NetBSD: fsdb.c,v 1.2 1995/10/08 23:18:10 thorpej Exp $ */
4 * Copyright (c) 1995 John T. Kohl
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
32 static const char rcsid[] =
36 #include <sys/param.h>
47 #include <ufs/ufs/dinode.h>
48 #include <ufs/ufs/dir.h>
49 #include <ufs/ffs/fs.h>
54 static void usage(void) __dead2;
56 static int compare_blk32(uint32_t *wantedblk, uint32_t curblk);
57 static int compare_blk64(uint64_t *wantedblk, uint64_t curblk);
58 static int founddatablk(uint64_t blk);
59 static int find_blks32(uint32_t *buf, int size, uint32_t *blknum);
60 static int find_blks64(uint64_t *buf, int size, uint64_t *blknum);
61 static int find_indirblks32(uint32_t blk, int ind_level, uint32_t *blknum);
62 static int find_indirblks64(uint64_t blk, int ind_level, uint64_t *blknum);
67 fprintf(stderr, "usage: fsdb [-d] [-f] [-r] fsname\n");
75 * We suck in lots of fsck code, and just pick & choose the stuff we want.
77 * fsreadfd is set up to read from the file system, fswritefd to write to
81 main(int argc, char *argv[])
86 while (-1 != (ch = getopt(argc, argv, "fdr"))) {
89 /* The -f option is left for historical
90 * reasons and has no meaning.
97 nflag++; /* "no" in fsck, readonly for us */
112 errx(1, "cannot set up file system `%s'", fsys);
113 printf("%s file system `%s'\nLast Mounted on %s\n",
114 nflag? "Examining": "Editing", fsys, sblock.fs_fsmnt);
117 sblock.fs_clean = 0; /* mark it dirty */
120 printf("*** FILE SYSTEM MARKED DIRTY\n");
121 printf("*** BE SURE TO RUN FSCK TO CLEAN UP ANY DAMAGE\n");
122 printf("*** IF IT WAS MOUNTED, RE-MOUNT WITH -u -o reload\n");
127 #define CMDFUNC(func) int func(int argc, char *argv[])
128 #define CMDFUNCSTART(func) int func(int argc, char *argv[])
131 CMDFUNC(focus); /* focus on inode */
132 CMDFUNC(active); /* print active inode */
133 CMDFUNC(blocks); /* print blocks for active inode */
134 CMDFUNC(focusname); /* focus by name */
135 CMDFUNC(zapi); /* clear inode */
136 CMDFUNC(uplink); /* incr link */
137 CMDFUNC(downlink); /* decr link */
138 CMDFUNC(linkcount); /* set link count */
139 CMDFUNC(quit); /* quit */
140 CMDFUNC(findblk); /* find block */
141 CMDFUNC(ls); /* list directory */
142 CMDFUNC(rm); /* remove name */
143 CMDFUNC(ln); /* add name */
144 CMDFUNC(newtype); /* change type */
145 CMDFUNC(chmode); /* change mode */
146 CMDFUNC(chlen); /* change length */
147 CMDFUNC(chaflags); /* change flags */
148 CMDFUNC(chgen); /* change generation */
149 CMDFUNC(chowner); /* change owner */
150 CMDFUNC(chgroup); /* Change group */
151 CMDFUNC(back); /* pop back to last ino */
152 CMDFUNC(chbtime); /* Change btime */
153 CMDFUNC(chmtime); /* Change mtime */
154 CMDFUNC(chctime); /* Change ctime */
155 CMDFUNC(chatime); /* Change atime */
156 CMDFUNC(chinum); /* Change inode # of dirent */
157 CMDFUNC(chname); /* Change dirname of dirent */
159 struct cmdtable cmds[] = {
160 { "help", "Print out help", 1, 1, FL_RO, helpfn },
161 { "?", "Print out help", 1, 1, FL_RO, helpfn },
162 { "inode", "Set active inode to INUM", 2, 2, FL_RO, focus },
163 { "clri", "Clear inode INUM", 2, 2, FL_WR, zapi },
164 { "lookup", "Set active inode by looking up NAME", 2, 2, FL_RO | FL_ST, focusname },
165 { "cd", "Set active inode by looking up NAME", 2, 2, FL_RO | FL_ST, focusname },
166 { "back", "Go to previous active inode", 1, 1, FL_RO, back },
167 { "active", "Print active inode", 1, 1, FL_RO, active },
168 { "print", "Print active inode", 1, 1, FL_RO, active },
169 { "blocks", "Print block numbers of active inode", 1, 1, FL_RO, blocks },
170 { "uplink", "Increment link count", 1, 1, FL_WR, uplink },
171 { "downlink", "Decrement link count", 1, 1, FL_WR, downlink },
172 { "linkcount", "Set link count to COUNT", 2, 2, FL_WR, linkcount },
173 { "findblk", "Find inode owning disk block(s)", 2, 33, FL_RO, findblk},
174 { "ls", "List current inode as directory", 1, 1, FL_RO, ls },
175 { "rm", "Remove NAME from current inode directory", 2, 2, FL_WR | FL_ST, rm },
176 { "del", "Remove NAME from current inode directory", 2, 2, FL_WR | FL_ST, rm },
177 { "ln", "Hardlink INO into current inode directory as NAME", 3, 3, FL_WR | FL_ST, ln },
178 { "chinum", "Change dir entry number INDEX to INUM", 3, 3, FL_WR, chinum },
179 { "chname", "Change dir entry number INDEX to NAME", 3, 3, FL_WR | FL_ST, chname },
180 { "chtype", "Change type of current inode to TYPE", 2, 2, FL_WR, newtype },
181 { "chmod", "Change mode of current inode to MODE", 2, 2, FL_WR, chmode },
182 { "chlen", "Change length of current inode to LENGTH", 2, 2, FL_WR, chlen },
183 { "chown", "Change owner of current inode to OWNER", 2, 2, FL_WR, chowner },
184 { "chgrp", "Change group of current inode to GROUP", 2, 2, FL_WR, chgroup },
185 { "chflags", "Change flags of current inode to FLAGS", 2, 2, FL_WR, chaflags },
186 { "chgen", "Change generation number of current inode to GEN", 2, 2, FL_WR, chgen },
187 { "btime", "Change btime of current inode to BTIME", 2, 2, FL_WR, chbtime },
188 { "mtime", "Change mtime of current inode to MTIME", 2, 2, FL_WR, chmtime },
189 { "ctime", "Change ctime of current inode to CTIME", 2, 2, FL_WR, chctime },
190 { "atime", "Change atime of current inode to ATIME", 2, 2, FL_WR, chatime },
191 { "quit", "Exit", 1, 1, FL_RO, quit },
192 { "q", "Exit", 1, 1, FL_RO, quit },
193 { "exit", "Exit", 1, 1, FL_RO, quit },
194 { NULL, 0, 0, 0, 0, NULL },
198 helpfn(int argc, char *argv[])
200 struct cmdtable *cmdtp;
202 printf("Commands are:\n%-10s %5s %5s %s\n",
203 "command", "min args", "max args", "what");
205 for (cmdtp = cmds; cmdtp->cmd; cmdtp++)
206 printf("%-10s %5u %5u %s\n",
207 cmdtp->cmd, cmdtp->minargc-1, cmdtp->maxargc-1, cmdtp->helptxt);
214 static char pstring[64];
215 snprintf(pstring, sizeof(pstring), "fsdb (inum: %ju)> ",
226 int cmd_argc, rval = 0, known;
227 #define scratch known
229 struct cmdtable *cmdp;
234 curinode = ginode(ROOTINO);
238 hist = history_init();
239 history(hist, &he, H_SETSIZE, 100); /* 100 elt history buffer */
241 elptr = el_init("fsdb", stdin, stdout, stderr);
242 el_set(elptr, EL_EDITOR, "emacs");
243 el_set(elptr, EL_PROMPT, prompt);
244 el_set(elptr, EL_HIST, history, hist);
245 el_source(elptr, NULL);
247 while ((elline = el_gets(elptr, &scratch)) != NULL && scratch != 0) {
249 printf("command `%s'\n", elline);
251 history(hist, &he, H_ENTER, elline);
253 line = strdup(elline);
254 cmd_argv = crack(line, &cmd_argc);
256 * el_parse returns -1 to signal that it's not been handled
259 if (el_parse(elptr, cmd_argc, (const char **)cmd_argv) != -1)
263 for (cmdp = cmds; cmdp->cmd; cmdp++) {
264 if (!strcmp(cmdp->cmd, cmd_argv[0])) {
265 if ((cmdp->flags & FL_WR) == FL_WR && nflag)
266 warnx("`%s' requires write access", cmd_argv[0]),
268 else if (cmd_argc >= cmdp->minargc &&
269 cmd_argc <= cmdp->maxargc)
270 rval = (*cmdp->handler)(cmd_argc, cmd_argv);
271 else if (cmd_argc >= cmdp->minargc &&
272 (cmdp->flags & FL_ST) == FL_ST) {
273 strcpy(line, elline);
274 cmd_argv = recrack(line, &cmd_argc, cmdp->maxargc);
275 rval = (*cmdp->handler)(cmd_argc, cmd_argv);
277 rval = argcount(cmdp, cmd_argc, cmd_argv);
283 warnx("unknown command `%s'", cmd_argv[0]), rval = 1;
288 /* user typed "quit" */
291 warnx("rval was %d", rval);
298 union dinode *curinode;
299 ino_t curinum, ocurrent;
301 #define GETINUM(ac,inum) inum = strtoul(argv[ac], &cp, 0); \
302 if (inum < ROOTINO || inum > maxino || cp == argv[ac] || *cp != '\0' ) { \
303 printf("inode %ju out of range; range is [%ju,%ju]\n", \
304 (uintmax_t)inum, (uintmax_t)ROOTINO, (uintmax_t)maxino); \
309 * Focus on given inode number
317 curinode = ginode(inum);
327 curinode = ginode(curinum);
342 if (curinode) /* re-set after potential change */
343 curinode = ginode(curinum);
368 DIP_SET(curinode, di_nlink, DIP(curinode, di_nlink) + 1);
369 printf("inode %ju link count now %d\n",
370 (uintmax_t)curinum, DIP(curinode, di_nlink));
375 CMDFUNCSTART(downlink)
379 DIP_SET(curinode, di_nlink, DIP(curinode, di_nlink) - 1);
380 printf("inode %ju link count now %d\n",
381 (uintmax_t)curinum, DIP(curinode, di_nlink));
386 const char *typename[] = {
408 scannames(struct inodesc *idesc)
410 struct direct *dirp = idesc->id_dirp;
412 printf("slot %d off %d ino %d reclen %d: %s, `%.*s'\n",
413 slot++, diroff, dirp->d_ino, dirp->d_reclen,
414 typename[dirp->d_type], dirp->d_namlen, dirp->d_name);
415 diroff += dirp->d_reclen;
421 struct inodesc idesc;
422 checkactivedir(); /* let it go on anyway */
426 idesc.id_number = curinum;
427 idesc.id_func = scannames;
428 idesc.id_type = DATA;
429 idesc.id_fix = IGNORE;
430 ckinode(curinode, &idesc);
431 curinode = ginode(curinum);
436 static int findblk_numtofind;
437 static int wantedblksize;
439 CMDFUNCSTART(findblk)
441 ino_t inum, inosused;
442 uint32_t *wantedblk32;
443 uint64_t *wantedblk64;
444 struct cg *cgp = &cgrp;
447 wantedblksize = (argc - 1);
448 is_ufs2 = sblock.fs_magic == FS_UFS2_MAGIC;
452 wantedblk64 = calloc(wantedblksize, sizeof(uint64_t));
453 if (wantedblk64 == NULL)
455 for (i = 1; i < argc; i++)
456 wantedblk64[i - 1] = dbtofsb(&sblock, strtoull(argv[i], NULL, 0));
458 wantedblk32 = calloc(wantedblksize, sizeof(uint32_t));
459 if (wantedblk32 == NULL)
461 for (i = 1; i < argc; i++)
462 wantedblk32[i - 1] = dbtofsb(&sblock, strtoull(argv[i], NULL, 0));
464 findblk_numtofind = wantedblksize;
466 * sblock.fs_ncg holds a number of cylinder groups.
467 * Iterate over all cylinder groups.
469 for (c = 0; c < sblock.fs_ncg; c++) {
471 * sblock.fs_ipg holds a number of inodes per cylinder group.
472 * Calculate a highest inode number for a given cylinder group.
474 inum = c * sblock.fs_ipg;
475 /* Read cylinder group. */
476 getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize);
477 memcpy(cgp, cgblk.b_un.b_cg, sblock.fs_cgsize);
479 * Get a highest used inode number for a given cylinder group.
480 * For UFS1 all inodes initialized at the newfs stage.
483 inosused = cgp->cg_initediblk;
485 inosused = sblock.fs_ipg;
487 for (; inosused > 0; inum++, inosused--) {
488 /* Skip magic inodes: 0, WINO, ROOTINO. */
492 * Check if the block we are looking for is just an inode block.
494 * ino_to_fsba() - get block containing inode from its number.
495 * INOPB() - get a number of inodes in one disk block.
498 compare_blk64(wantedblk64, ino_to_fsba(&sblock, inum)) :
499 compare_blk32(wantedblk32, ino_to_fsba(&sblock, inum))) {
500 printf("block %llu: inode block (%ju-%ju)\n",
501 (unsigned long long)fsbtodb(&sblock,
502 ino_to_fsba(&sblock, inum)),
503 (uintmax_t)(inum / INOPB(&sblock)) * INOPB(&sblock),
504 (uintmax_t)(inum / INOPB(&sblock) + 1) * INOPB(&sblock));
506 if (findblk_numtofind == 0)
509 /* Get on-disk inode aka dinode. */
511 curinode = ginode(inum);
512 /* Find IFLNK dinode with allocated data blocks. */
513 switch (DIP(curinode, di_mode) & IFMT) {
516 if (DIP(curinode, di_blocks) == 0)
521 uint64_t size = DIP(curinode, di_size);
522 if (size > 0 && size < sblock.fs_maxsymlinklen &&
523 DIP(curinode, di_blocks) == 0)
531 /* Look through direct data blocks. */
533 find_blks64(curinode->dp2.di_db, NDADDR, wantedblk64) :
534 find_blks32(curinode->dp1.di_db, NDADDR, wantedblk32))
536 for (i = 0; i < NIADDR; i++) {
538 * Does the block we are looking for belongs to the
542 compare_blk64(wantedblk64, curinode->dp2.di_ib[i]) :
543 compare_blk32(wantedblk32, curinode->dp1.di_ib[i]))
544 if (founddatablk(is_ufs2 ? curinode->dp2.di_ib[i] :
545 curinode->dp1.di_ib[i]))
548 * Search through indirect, double and triple indirect
551 if (is_ufs2 ? (curinode->dp2.di_ib[i] != 0) :
552 (curinode->dp1.di_ib[i] != 0))
554 find_indirblks64(curinode->dp2.di_ib[i], i,
556 find_indirblks32(curinode->dp1.di_ib[i], i,
564 curinode = ginode(curinum);
569 compare_blk32(uint32_t *wantedblk, uint32_t curblk)
573 for (i = 0; i < wantedblksize; i++) {
574 if (wantedblk[i] != 0 && wantedblk[i] == curblk) {
583 compare_blk64(uint64_t *wantedblk, uint64_t curblk)
587 for (i = 0; i < wantedblksize; i++) {
588 if (wantedblk[i] != 0 && wantedblk[i] == curblk) {
597 founddatablk(uint64_t blk)
600 printf("%llu: data block of inode %ju\n",
601 (unsigned long long)fsbtodb(&sblock, blk), (uintmax_t)curinum);
603 if (findblk_numtofind == 0)
609 find_blks32(uint32_t *buf, int size, uint32_t *wantedblk)
612 for (blk = 0; blk < size; blk++) {
615 if (compare_blk32(wantedblk, buf[blk])) {
616 if (founddatablk(buf[blk]))
624 find_indirblks32(uint32_t blk, int ind_level, uint32_t *wantedblk)
626 #define MAXNINDIR (MAXBSIZE / sizeof(uint32_t))
627 uint32_t idblk[MAXNINDIR];
630 blread(fsreadfd, (char *)idblk, fsbtodb(&sblock, blk), (int)sblock.fs_bsize);
631 if (ind_level <= 0) {
632 if (find_blks32(idblk, sblock.fs_bsize / sizeof(uint32_t), wantedblk))
636 for (i = 0; i < sblock.fs_bsize / sizeof(uint32_t); i++) {
637 if (compare_blk32(wantedblk, idblk[i])) {
638 if (founddatablk(idblk[i]))
642 if (find_indirblks32(idblk[i], ind_level, wantedblk))
651 find_blks64(uint64_t *buf, int size, uint64_t *wantedblk)
654 for (blk = 0; blk < size; blk++) {
657 if (compare_blk64(wantedblk, buf[blk])) {
658 if (founddatablk(buf[blk]))
666 find_indirblks64(uint64_t blk, int ind_level, uint64_t *wantedblk)
668 #define MAXNINDIR (MAXBSIZE / sizeof(uint64_t))
669 uint64_t idblk[MAXNINDIR];
672 blread(fsreadfd, (char *)idblk, fsbtodb(&sblock, blk), (int)sblock.fs_bsize);
673 if (ind_level <= 0) {
674 if (find_blks64(idblk, sblock.fs_bsize / sizeof(uint64_t), wantedblk))
678 for (i = 0; i < sblock.fs_bsize / sizeof(uint64_t); i++) {
679 if (compare_blk64(wantedblk, idblk[i])) {
680 if (founddatablk(idblk[i]))
684 if (find_indirblks64(idblk[i], ind_level, wantedblk))
692 int findino(struct inodesc *idesc); /* from fsck */
693 static int dolookup(char *name);
698 struct inodesc idesc;
700 if (!checkactivedir())
702 idesc.id_number = curinum;
703 idesc.id_func = findino;
704 idesc.id_name = name;
705 idesc.id_type = DATA;
706 idesc.id_fix = IGNORE;
707 if (ckinode(curinode, &idesc) & FOUND) {
708 curinum = idesc.id_parent;
709 curinode = ginode(curinum);
713 warnx("name `%s' not found in current inode directory", name);
718 CMDFUNCSTART(focusname)
727 if (argv[1][0] == '/') {
729 curinode = ginode(ROOTINO);
731 if (!checkactivedir())
734 for (p = argv[1]; p != NULL;) {
735 while ((val = strsep(&p, "/")) != NULL && *val == '\0');
737 printf("component `%s': ", val);
739 if (!dolookup(val)) {
740 curinode = ginode(curinum);
756 if (!checkactivedir())
758 rval = makeentry(curinum, inum, argv[2]);
760 printf("Ino %ju entered as `%s'\n", (uintmax_t)inum, argv[2]);
762 printf("could not enter name? weird.\n");
763 curinode = ginode(curinum);
771 if (!checkactivedir())
773 rval = changeino(curinum, argv[1], 0);
774 if (rval & ALTERED) {
775 printf("Name `%s' removed\n", argv[1]);
778 printf("could not remove name ('%s')? weird.\n", argv[1]);
783 long slotcount, desired;
786 chinumfunc(struct inodesc *idesc)
788 struct direct *dirp = idesc->id_dirp;
790 if (slotcount++ == desired) {
791 dirp->d_ino = idesc->id_parent;
792 return STOP|ALTERED|FOUND;
801 struct inodesc idesc;
804 if (!checkactivedir())
808 desired = strtol(argv[1], &cp, 0);
809 if (cp == argv[1] || *cp != '\0' || desired < 0) {
810 printf("invalid slot number `%s'\n", argv[1]);
814 idesc.id_number = curinum;
815 idesc.id_func = chinumfunc;
816 idesc.id_fix = IGNORE;
817 idesc.id_type = DATA;
818 idesc.id_parent = inum; /* XXX convenient hiding place */
820 if (ckinode(curinode, &idesc) & FOUND)
823 warnx("no %sth slot in current directory", argv[1]);
829 chnamefunc(struct inodesc *idesc)
831 struct direct *dirp = idesc->id_dirp;
832 struct direct testdir;
834 if (slotcount++ == desired) {
836 testdir.d_namlen = strlen(idesc->id_name);
837 if (DIRSIZ(NEWDIRFMT, &testdir) <= dirp->d_reclen) {
838 dirp->d_namlen = testdir.d_namlen;
839 strcpy(dirp->d_name, idesc->id_name);
840 return STOP|ALTERED|FOUND;
842 return STOP|FOUND; /* won't fit, so give up */
851 struct inodesc idesc;
854 if (!checkactivedir())
857 desired = strtoul(argv[1], &cp, 0);
858 if (cp == argv[1] || *cp != '\0') {
859 printf("invalid slot number `%s'\n", argv[1]);
863 idesc.id_number = curinum;
864 idesc.id_func = chnamefunc;
865 idesc.id_fix = IGNORE;
866 idesc.id_type = DATA;
867 idesc.id_name = argv[2];
869 rval = ckinode(curinode, &idesc);
870 if ((rval & (FOUND|ALTERED)) == (FOUND|ALTERED))
872 else if (rval & FOUND) {
873 warnx("new name `%s' does not fit in slot %s\n", argv[2], argv[1]);
876 warnx("no %sth slot in current directory", argv[1]);
882 const char *typename;
891 CMDFUNCSTART(newtype)
898 type = DIP(curinode, di_mode) & IFMT;
899 for (tp = typenamemap;
900 tp < &typenamemap[sizeof(typenamemap)/sizeof(*typenamemap)];
902 if (!strcmp(argv[1], tp->typename)) {
903 printf("setting type to %s\n", tp->typename);
908 if (tp == &typenamemap[sizeof(typenamemap)/sizeof(*typenamemap)]) {
909 warnx("type `%s' not known", argv[1]);
910 warnx("try one of `file', `dir', `socket', `fifo'");
913 DIP_SET(curinode, di_mode, DIP(curinode, di_mode) & ~IFMT);
914 DIP_SET(curinode, di_mode, DIP(curinode, di_mode) | type);
929 len = strtol(argv[1], &cp, 0);
930 if (cp == argv[1] || *cp != '\0' || len < 0) {
931 warnx("bad length `%s'", argv[1]);
935 DIP_SET(curinode, di_size, len);
950 modebits = strtol(argv[1], &cp, 8);
951 if (cp == argv[1] || *cp != '\0' || (modebits & ~07777)) {
952 warnx("bad modebits `%s'", argv[1]);
956 DIP_SET(curinode, di_mode, DIP(curinode, di_mode) & ~07777);
957 DIP_SET(curinode, di_mode, DIP(curinode, di_mode) | modebits);
963 CMDFUNCSTART(chaflags)
972 flags = strtoul(argv[1], &cp, 0);
973 if (cp == argv[1] || *cp != '\0' ) {
974 warnx("bad flags `%s'", argv[1]);
978 if (flags > UINT_MAX) {
979 warnx("flags set beyond 32-bit range of field (%lx)\n", flags);
982 DIP_SET(curinode, di_flags, flags);
997 gen = strtol(argv[1], &cp, 0);
998 if (cp == argv[1] || *cp != '\0' ) {
999 warnx("bad gen `%s'", argv[1]);
1003 if (gen > INT_MAX || gen < INT_MIN) {
1004 warnx("gen set beyond 32-bit range of field (%lx)\n", gen);
1007 DIP_SET(curinode, di_gen, gen);
1013 CMDFUNCSTART(linkcount)
1022 lcnt = strtol(argv[1], &cp, 0);
1023 if (cp == argv[1] || *cp != '\0' ) {
1024 warnx("bad link count `%s'", argv[1]);
1027 if (lcnt > USHRT_MAX || lcnt < 0) {
1028 warnx("max link count is %d\n", USHRT_MAX);
1032 DIP_SET(curinode, di_nlink, lcnt);
1038 CMDFUNCSTART(chowner)
1048 uid = strtoul(argv[1], &cp, 0);
1049 if (cp == argv[1] || *cp != '\0' ) {
1050 /* try looking up name */
1051 if ((pwd = getpwnam(argv[1]))) {
1054 warnx("bad uid `%s'", argv[1]);
1059 DIP_SET(curinode, di_uid, uid);
1065 CMDFUNCSTART(chgroup)
1075 gid = strtoul(argv[1], &cp, 0);
1076 if (cp == argv[1] || *cp != '\0' ) {
1077 if ((grp = getgrnam(argv[1]))) {
1080 warnx("bad gid `%s'", argv[1]);
1085 DIP_SET(curinode, di_gid, gid);
1092 dotime(char *name, time_t *secp, int32_t *nsecp)
1097 p = strchr(name, '.');
1100 nsec = strtoul(++p, &val, 0);
1101 if (val == p || *val != '\0' || nsec >= 1000000000 || nsec < 0) {
1102 warnx("invalid nanoseconds");
1107 if (strlen(name) != 14) {
1109 warnx("date format: YYYYMMDDHHMMSS[.nsec]");
1114 for (p = name; *p; p++)
1115 if (*p < '0' || *p > '9')
1119 #define VAL() ((*p++) - '0')
1121 t.tm_year = VAL() + t.tm_year * 10;
1122 t.tm_year = VAL() + t.tm_year * 10;
1123 t.tm_year = VAL() + t.tm_year * 10 - 1900;
1125 t.tm_mon = VAL() + t.tm_mon * 10 - 1;
1127 t.tm_mday = VAL() + t.tm_mday * 10;
1129 t.tm_hour = VAL() + t.tm_hour * 10;
1131 t.tm_min = VAL() + t.tm_min * 10;
1133 t.tm_sec = VAL() + t.tm_sec * 10;
1138 warnx("date/time out of range");
1144 CMDFUNCSTART(chbtime)
1149 if (dotime(argv[1], &secs, &nsecs))
1151 if (sblock.fs_magic == FS_UFS1_MAGIC)
1153 curinode->dp2.di_birthtime = _time_to_time64(secs);
1154 curinode->dp2.di_birthnsec = nsecs;
1160 CMDFUNCSTART(chmtime)
1165 if (dotime(argv[1], &secs, &nsecs))
1167 if (sblock.fs_magic == FS_UFS1_MAGIC)
1168 curinode->dp1.di_mtime = _time_to_time32(secs);
1170 curinode->dp2.di_mtime = _time_to_time64(secs);
1171 DIP_SET(curinode, di_mtimensec, nsecs);
1177 CMDFUNCSTART(chatime)
1182 if (dotime(argv[1], &secs, &nsecs))
1184 if (sblock.fs_magic == FS_UFS1_MAGIC)
1185 curinode->dp1.di_atime = _time_to_time32(secs);
1187 curinode->dp2.di_atime = _time_to_time64(secs);
1188 DIP_SET(curinode, di_atimensec, nsecs);
1194 CMDFUNCSTART(chctime)
1199 if (dotime(argv[1], &secs, &nsecs))
1201 if (sblock.fs_magic == FS_UFS1_MAGIC)
1202 curinode->dp1.di_ctime = _time_to_time32(secs);
1204 curinode->dp2.di_ctime = _time_to_time64(secs);
1205 DIP_SET(curinode, di_ctimensec, nsecs);