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authorpeter <peter@FreeBSD.org>1995-11-03 22:38:54 +0000
committerpeter <peter@FreeBSD.org>1995-11-03 22:38:54 +0000
commit87ca72c09dcfc8564a402905ef96368390266f2d (patch)
tree0ffd7ae654144c4204f5b3fa6f188d6a1b005e54 /sbin/fsdb/fsdb.c
parent153fe8c3bc0f5a2a0b0ff7075fe41d2d0ef10934 (diff)
downloadFreeBSD-src-87ca72c09dcfc8564a402905ef96368390266f2d.zip
FreeBSD-src-87ca72c09dcfc8564a402905ef96368390266f2d.tar.gz
Whoops. RE-Import NetBSD's fsdb - I believe this was written by John Kohl.
Obtained from: NetBSD
Diffstat (limited to 'sbin/fsdb/fsdb.c')
-rw-r--r--sbin/fsdb/fsdb.c865
1 files changed, 865 insertions, 0 deletions
diff --git a/sbin/fsdb/fsdb.c b/sbin/fsdb/fsdb.c
new file mode 100644
index 0000000..8a5ad7b
--- /dev/null
+++ b/sbin/fsdb/fsdb.c
@@ -0,0 +1,865 @@
+/* $NetBSD: fsdb.c,v 1.2 1995/10/08 23:18:10 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1995 John T. Kohl
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char rcsid[] = "$NetBSD: fsdb.c,v 1.2 1995/10/08 23:18:10 thorpej Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/mount.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <histedit.h>
+#include <limits.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <ufs/ufs/dinode.h>
+#include <ufs/ufs/dir.h>
+#include <ufs/ffs/fs.h>
+
+#include "fsdb.h"
+#include "fsck.h"
+
+extern char *__progname; /* from crt0.o */
+
+void usage __P((void));
+int cmdloop __P((void));
+
+void
+usage()
+{
+ errx(1, "usage: %s [-d] -f <fsname>", __progname);
+}
+
+int returntosingle = 0;
+
+/*
+ * We suck in lots of fsck code, and just pick & choose the stuff we want.
+ *
+ * fsreadfd is set up to read from the file system, fswritefd to write to
+ * the file system.
+ */
+void
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int ch, rval;
+ char *fsys = NULL;
+ struct stat stb;
+
+ while (-1 != (ch = getopt(argc, argv, "f:d"))) {
+ switch (ch) {
+ case 'f':
+ fsys = optarg;
+ break;
+ case 'd':
+ debug++;
+ break;
+ default:
+ usage();
+ }
+ }
+ if (fsys == NULL)
+ usage();
+ if (!setup(fsys))
+ errx(1, "cannot set up file system `%s'", fsys);
+ printf("Editing file system `%s'\nLast Mounted on %s\n", fsys,
+ sblock.fs_fsmnt);
+ rval = cmdloop();
+ sblock.fs_clean = 0; /* mark it dirty */
+ sbdirty();
+ ckfini(0);
+ printf("*** FILE SYSTEM MARKED DIRTY\n");
+ printf("*** BE SURE TO RUN FSCK TO CLEAN UP ANY DAMAGE\n");
+ printf("*** IF IT WAS MOUNTED, RE-MOUNT WITH -u -o reload\n");
+ exit(rval);
+}
+
+#define CMDFUNC(func) int func __P((int argc, char *argv[]))
+#define CMDFUNCSTART(func) int func(argc, argv) \
+ int argc; \
+ char *argv[];
+
+CMDFUNC(helpfn);
+CMDFUNC(focus); /* focus on inode */
+CMDFUNC(active); /* print active inode */
+CMDFUNC(focusname); /* focus by name */
+CMDFUNC(zapi); /* clear inode */
+CMDFUNC(uplink); /* incr link */
+CMDFUNC(downlink); /* decr link */
+CMDFUNC(linkcount); /* set link count */
+CMDFUNC(quit); /* quit */
+CMDFUNC(ls); /* list directory */
+CMDFUNC(rm); /* remove name */
+CMDFUNC(ln); /* add name */
+CMDFUNC(newtype); /* change type */
+CMDFUNC(chmode); /* change mode */
+CMDFUNC(chaflags); /* change flags */
+CMDFUNC(chgen); /* change generation */
+CMDFUNC(chowner); /* change owner */
+CMDFUNC(chgroup); /* Change group */
+CMDFUNC(back); /* pop back to last ino */
+CMDFUNC(chmtime); /* Change mtime */
+CMDFUNC(chctime); /* Change ctime */
+CMDFUNC(chatime); /* Change atime */
+CMDFUNC(chinum); /* Change inode # of dirent */
+CMDFUNC(chname); /* Change dirname of dirent */
+
+struct cmdtable cmds[] = {
+ { "help", "Print out help", 1, 1, helpfn },
+ { "?", "Print out help", 1, 1, helpfn },
+ { "inode", "Set active inode to INUM", 2, 2, focus },
+ { "clri", "Clear inode INUM", 2, 2, zapi },
+ { "lookup", "Set active inode by looking up NAME", 2, 2, focusname },
+ { "cd", "Set active inode by looking up NAME", 2, 2, focusname },
+ { "back", "Go to previous active inode", 1, 1, back },
+ { "active", "Print active inode", 1, 1, active },
+ { "print", "Print active inode", 1, 1, active },
+ { "uplink", "Increment link count", 1, 1, uplink },
+ { "downlink", "Decrement link count", 1, 1, downlink },
+ { "linkcount", "Set link count to COUNT", 2, 2, linkcount },
+ { "ls", "List current inode as directory", 1, 1, ls },
+ { "rm", "Remove NAME from current inode directory", 2, 2, rm },
+ { "del", "Remove NAME from current inode directory", 2, 2, rm },
+ { "ln", "Hardlink INO into current inode directory as NAME", 3, 3, ln },
+ { "chinum", "Change dir entry number INDEX to INUM", 3, 3, chinum },
+ { "chname", "Change dir entry number INDEX to NAME", 3, 3, chname },
+ { "chtype", "Change type of current inode to TYPE", 2, 2, newtype },
+ { "chmod", "Change mode of current inode to MODE", 2, 2, chmode },
+ { "chown", "Change owner of current inode to OWNER", 2, 2, chowner },
+ { "chgrp", "Change group of current inode to GROUP", 2, 2, chgroup },
+ { "chflags", "Change flags of current inode to FLAGS", 2, 2, chaflags },
+ { "chgen", "Change generation number of current inode to GEN", 2, 2, chgen },
+ { "mtime", "Change mtime of current inode to MTIME", 2, 2, chmtime },
+ { "ctime", "Change ctime of current inode to CTIME", 2, 2, chctime },
+ { "atime", "Change atime of current inode to ATIME", 2, 2, chatime },
+ { "quit", "Exit", 1, 1, quit },
+ { "q", "Exit", 1, 1, quit },
+ { "exit", "Exit", 1, 1, quit },
+ { NULL, 0, 0, 0 },
+};
+
+int
+helpfn(argc, argv)
+ int argc;
+ char *argv[];
+{
+ register struct cmdtable *cmdtp;
+
+ printf("Commands are:\n%-10s %5s %5s %s\n",
+ "command", "min argc", "max argc", "what");
+
+ for (cmdtp = cmds; cmdtp->cmd; cmdtp++)
+ printf("%-10s %5u %5u %s\n",
+ cmdtp->cmd, cmdtp->minargc, cmdtp->maxargc, cmdtp->helptxt);
+ return 0;
+}
+
+char *
+prompt(el)
+ EditLine *el;
+{
+ static char pstring[64];
+ snprintf(pstring, sizeof(pstring), "fsdb (inum: %d)> ", curinum);
+ return pstring;
+}
+
+
+int
+cmdloop()
+{
+ char *line;
+ const char *elline;
+ int cmd_argc, rval = 0, known;
+#define scratch known
+ char **cmd_argv;
+ struct cmdtable *cmdp;
+ History *hist;
+ EditLine *elptr;
+
+ curinode = ginode(ROOTINO);
+ curinum = ROOTINO;
+ printactive();
+
+ hist = history_init();
+ history(hist, H_EVENT, 100); /* 100 elt history buffer */
+
+ elptr = el_init(__progname, stdin, stdout);
+ el_set(elptr, EL_EDITOR, "emacs");
+ el_set(elptr, EL_PROMPT, prompt);
+ el_set(elptr, EL_HIST, history, hist);
+ el_source(elptr, NULL);
+
+ while ((elline = el_gets(elptr, &scratch)) != NULL && scratch != 0) {
+ if (debug)
+ printf("command `%s'\n", line);
+
+ history(hist, H_ENTER, elline);
+
+ line = strdup(elline);
+ cmd_argv = crack(line, &cmd_argc);
+ /*
+ * el_parse returns -1 to signal that it's not been handled
+ * internally.
+ */
+ if (el_parse(elptr, cmd_argc, cmd_argv) != -1)
+ continue;
+ if (cmd_argc) {
+ known = 0;
+ for (cmdp = cmds; cmdp->cmd; cmdp++) {
+ if (!strcmp(cmdp->cmd, cmd_argv[0])) {
+ if (cmd_argc >= cmdp->minargc &&
+ cmd_argc <= cmdp->maxargc)
+ rval = (*cmdp->handler)(cmd_argc, cmd_argv);
+ else
+ rval = argcount(cmdp, cmd_argc, cmd_argv);
+ known = 1;
+ break;
+ }
+ }
+ if (!known)
+ warnx("unknown command `%s'", cmd_argv[0]), rval = 1;
+ } else
+ rval = 0;
+ free(line);
+ if (rval < 0)
+ return rval;
+ if (rval)
+ warnx("rval was %d", rval);
+ }
+ el_end(elptr);
+ history_end(hist);
+ return rval;
+}
+
+struct dinode *curinode;
+ino_t curinum, ocurrent;
+
+#define GETINUM(ac,inum) inum = strtoul(argv[ac], &cp, 0); \
+ if (inum < ROOTINO || inum > maxino || cp == argv[ac] || *cp != '\0' ) { \
+ printf("inode %d out of range; range is [%d,%d]\n", \
+ inum, ROOTINO, maxino); \
+ return 1; \
+ }
+
+/*
+ * Focus on given inode number
+ */
+CMDFUNCSTART(focus)
+{
+ ino_t inum;
+ char *cp;
+
+ GETINUM(1,inum);
+ curinode = ginode(inum);
+ ocurrent = curinum;
+ curinum = inum;
+ printactive();
+ return 0;
+}
+
+CMDFUNCSTART(back)
+{
+ curinum = ocurrent;
+ curinode = ginode(curinum);
+ printactive();
+ return 0;
+}
+
+CMDFUNCSTART(zapi)
+{
+ ino_t inum;
+ struct dinode *dp;
+ char *cp;
+
+ GETINUM(1,inum);
+ dp = ginode(inum);
+ clearinode(dp);
+ inodirty();
+ if (curinode) /* re-set after potential change */
+ curinode = ginode(curinum);
+ return 0;
+}
+
+CMDFUNCSTART(active)
+{
+ printactive();
+ return 0;
+}
+
+
+CMDFUNCSTART(quit)
+{
+ return -1;
+}
+
+CMDFUNCSTART(uplink)
+{
+ if (!checkactive())
+ return 1;
+ printf("inode %d link count now %d\n", curinum, ++curinode->di_nlink);
+ inodirty();
+ return 0;
+}
+
+CMDFUNCSTART(downlink)
+{
+ if (!checkactive())
+ return 1;
+ printf("inode %d link count now %d\n", curinum, --curinode->di_nlink);
+ inodirty();
+ return 0;
+}
+
+const char *typename[] = {
+ "unknown",
+ "fifo",
+ "char special",
+ "unregistered #3",
+ "directory",
+ "unregistered #5",
+ "blk special",
+ "unregistered #7",
+ "regular",
+ "unregistered #9",
+ "symlink",
+ "unregistered #11",
+ "socket",
+ "unregistered #13",
+ "whiteout",
+};
+
+int slot;
+
+int
+scannames(idesc)
+ struct inodesc *idesc;
+{
+ register struct direct *dirp = idesc->id_dirp;
+
+ printf("slot %d ino %d reclen %d: %s, `%.*s'\n",
+ slot++, dirp->d_ino, dirp->d_reclen, typename[dirp->d_type],
+ dirp->d_namlen, dirp->d_name);
+ return (KEEPON);
+}
+
+CMDFUNCSTART(ls)
+{
+ struct inodesc idesc;
+ checkactivedir(); /* let it go on anyway */
+
+ slot = 0;
+ idesc.id_number = curinum;
+ idesc.id_func = scannames;
+ idesc.id_type = DATA;
+ idesc.id_fix = IGNORE;
+ ckinode(curinode, &idesc);
+ curinode = ginode(curinum);
+
+ return 0;
+}
+
+int findino __P((struct inodesc *idesc)); /* from fsck */
+static int dolookup __P((char *name));
+
+static int
+dolookup(name)
+ char *name;
+{
+ struct inodesc idesc;
+
+ if (!checkactivedir())
+ return 0;
+ idesc.id_number = curinum;
+ idesc.id_func = findino;
+ idesc.id_name = name;
+ idesc.id_type = DATA;
+ idesc.id_fix = IGNORE;
+ if (ckinode(curinode, &idesc) & FOUND) {
+ curinum = idesc.id_parent;
+ curinode = ginode(curinum);
+ printactive();
+ return 1;
+ } else {
+ warnx("name `%s' not found in current inode directory", name);
+ return 0;
+ }
+}
+
+CMDFUNCSTART(focusname)
+{
+ char *p, *val;
+
+ if (!checkactive())
+ return 1;
+
+ ocurrent = curinum;
+
+ if (argv[1][0] == '/') {
+ curinum = ROOTINO;
+ curinode = ginode(ROOTINO);
+ } else {
+ if (!checkactivedir())
+ return 1;
+ }
+ for (p = argv[1]; p != NULL;) {
+ while ((val = strsep(&p, "/")) != NULL && *val == '\0');
+ if (val) {
+ printf("component `%s': ", val);
+ fflush(stdout);
+ if (!dolookup(val)) {
+ curinode = ginode(curinum);
+ return(1);
+ }
+ }
+ }
+ return 0;
+}
+
+CMDFUNCSTART(ln)
+{
+ ino_t inum;
+ struct dinode *dp;
+ int rval;
+ char *cp;
+
+ GETINUM(1,inum);
+
+ if (!checkactivedir())
+ return 1;
+ rval = makeentry(curinum, inum, argv[2]);
+ if (rval)
+ printf("Ino %d entered as `%s'\n", inum, argv[2]);
+ else
+ printf("could not enter name? weird.\n");
+ curinode = ginode(curinum);
+ return rval;
+}
+
+CMDFUNCSTART(rm)
+{
+ int rval;
+
+ if (!checkactivedir())
+ return 1;
+ rval = changeino(curinum, argv[1], 0);
+ if (rval & ALTERED) {
+ printf("Name `%s' removed\n", argv[1]);
+ return 0;
+ } else {
+ printf("could not remove name? weird.\n");
+ return 1;
+ }
+}
+
+long slotcount, desired;
+
+int
+chinumfunc(idesc)
+ struct inodesc *idesc;
+{
+ register struct direct *dirp = idesc->id_dirp;
+
+ if (slotcount++ == desired) {
+ dirp->d_ino = idesc->id_parent;
+ return STOP|ALTERED|FOUND;
+ }
+ return KEEPON;
+}
+
+CMDFUNCSTART(chinum)
+{
+ int rval;
+ char *cp;
+ ino_t inum;
+ struct inodesc idesc;
+
+ slotcount = 0;
+ if (!checkactivedir())
+ return 1;
+ GETINUM(2,inum);
+
+ desired = strtol(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' || desired < 0) {
+ printf("invalid slot number `%s'\n", argv[1]);
+ return 1;
+ }
+
+ idesc.id_number = curinum;
+ idesc.id_func = chinumfunc;
+ idesc.id_fix = IGNORE;
+ idesc.id_type = DATA;
+ idesc.id_parent = inum; /* XXX convenient hiding place */
+
+ if (ckinode(curinode, &idesc) & FOUND)
+ return 0;
+ else {
+ warnx("no %sth slot in current directory", argv[1]);
+ return 1;
+ }
+}
+
+int
+chnamefunc(idesc)
+ struct inodesc *idesc;
+{
+ register struct direct *dirp = idesc->id_dirp;
+ struct direct testdir;
+
+ if (slotcount++ == desired) {
+ /* will name fit? */
+ testdir.d_namlen = strlen(idesc->id_name);
+ if (DIRSIZ(NEWDIRFMT, &testdir) <= dirp->d_reclen) {
+ dirp->d_namlen = testdir.d_namlen;
+ strcpy(dirp->d_name, idesc->id_name);
+ return STOP|ALTERED|FOUND;
+ } else
+ return STOP|FOUND; /* won't fit, so give up */
+ }
+ return KEEPON;
+}
+
+CMDFUNCSTART(chname)
+{
+ int rval;
+ char *cp;
+ ino_t inum;
+ struct inodesc idesc;
+
+ slotcount = 0;
+ if (!checkactivedir())
+ return 1;
+
+ desired = strtoul(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0') {
+ printf("invalid slot number `%s'\n", argv[1]);
+ return 1;
+ }
+
+ idesc.id_number = curinum;
+ idesc.id_func = chnamefunc;
+ idesc.id_fix = IGNORE;
+ idesc.id_type = DATA;
+ idesc.id_name = argv[2];
+
+ rval = ckinode(curinode, &idesc);
+ if ((rval & (FOUND|ALTERED)) == (FOUND|ALTERED))
+ return 0;
+ else if (rval & FOUND) {
+ warnx("new name `%s' does not fit in slot %s\n", argv[2], argv[1]);
+ return 1;
+ } else {
+ warnx("no %sth slot in current directory", argv[1]);
+ return 1;
+ }
+}
+
+struct typemap {
+ const char *typename;
+ int typebits;
+} typenamemap[] = {
+ {"file", IFREG},
+ {"dir", IFDIR},
+ {"socket", IFSOCK},
+ {"fifo", IFIFO},
+};
+
+CMDFUNCSTART(newtype)
+{
+ int rval = 1;
+ int type;
+ struct typemap *tp;
+
+ if (!checkactive())
+ return 1;
+ type = curinode->di_mode & IFMT;
+ for (tp = typenamemap;
+ tp < &typenamemap[sizeof(typemap)/sizeof(*typemap)];
+ tp++) {
+ if (!strcmp(argv[1], tp->typename)) {
+ printf("setting type to %s\n", tp->typename);
+ type = tp->typebits;
+ break;
+ }
+ }
+ if (tp == &typenamemap[sizeof(typemap)/sizeof(*typemap)]) {
+ warnx("type `%s' not known", argv[1]);
+ warnx("try one of `file', `dir', `socket', `fifo'");
+ return 1;
+ }
+ curinode->di_mode &= ~IFMT;
+ curinode->di_mode |= type;
+ inodirty();
+ printactive();
+ return 0;
+}
+
+CMDFUNCSTART(chmode)
+{
+ int rval = 1;
+ long modebits;
+ char *cp;
+
+ if (!checkactive())
+ return 1;
+
+ modebits = strtol(argv[1], &cp, 8);
+ if (cp == argv[1] || *cp != '\0' ) {
+ warnx("bad modebits `%s'", argv[1]);
+ return 1;
+ }
+
+ curinode->di_mode &= ~07777;
+ curinode->di_mode |= modebits;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+CMDFUNCSTART(chaflags)
+{
+ int rval = 1;
+ u_long flags;
+ char *cp;
+
+ if (!checkactive())
+ return 1;
+
+ flags = strtoul(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' ) {
+ warnx("bad flags `%s'", argv[1]);
+ return 1;
+ }
+
+ if (flags > UINT_MAX) {
+ warnx("flags set beyond 32-bit range of field (%lx)\n", flags);
+ return(1);
+ }
+ curinode->di_flags = flags;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+CMDFUNCSTART(chgen)
+{
+ int rval = 1;
+ long gen;
+ char *cp;
+
+ if (!checkactive())
+ return 1;
+
+ gen = strtol(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' ) {
+ warnx("bad gen `%s'", argv[1]);
+ return 1;
+ }
+
+ if (gen > INT_MAX || gen < INT_MIN) {
+ warnx("gen set beyond 32-bit range of field (%lx)\n", gen);
+ return(1);
+ }
+ curinode->di_gen = gen;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+CMDFUNCSTART(linkcount)
+{
+ int rval = 1;
+ int lcnt;
+ char *cp;
+
+ if (!checkactive())
+ return 1;
+
+ lcnt = strtol(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' ) {
+ warnx("bad link count `%s'", argv[1]);
+ return 1;
+ }
+ if (lcnt > USHRT_MAX || lcnt < 0) {
+ warnx("max link count is %d\n", USHRT_MAX);
+ return 1;
+ }
+
+ curinode->di_nlink = lcnt;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+CMDFUNCSTART(chowner)
+{
+ int rval = 1;
+ unsigned long uid;
+ char *cp;
+ struct passwd *pwd;
+
+ if (!checkactive())
+ return 1;
+
+ uid = strtoul(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' ) {
+ /* try looking up name */
+ if (pwd = getpwnam(argv[1])) {
+ uid = pwd->pw_uid;
+ } else {
+ warnx("bad uid `%s'", argv[1]);
+ return 1;
+ }
+ }
+
+ curinode->di_uid = uid;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+CMDFUNCSTART(chgroup)
+{
+ int rval = 1;
+ unsigned long gid;
+ char *cp;
+ struct group *grp;
+
+ if (!checkactive())
+ return 1;
+
+ gid = strtoul(argv[1], &cp, 0);
+ if (cp == argv[1] || *cp != '\0' ) {
+ if (grp = getgrnam(argv[1])) {
+ gid = grp->gr_gid;
+ } else {
+ warnx("bad gid `%s'", argv[1]);
+ return 1;
+ }
+ }
+
+ curinode->di_gid = gid;
+ inodirty();
+ printactive();
+ return rval;
+}
+
+int
+dotime(name, rsec, rnsec)
+ char *name;
+ int32_t *rsec, *rnsec;
+{
+ char *p, *val;
+ struct tm t;
+ int32_t sec;
+ int32_t nsec;
+ p = strchr(name, '.');
+ if (p) {
+ *p = '\0';
+ nsec = strtoul(++p, &val, 0);
+ if (val == p || *val != '\0' || nsec >= 1000000000 || nsec < 0) {
+ warnx("invalid nanoseconds");
+ goto badformat;
+ }
+ } else
+ nsec = 0;
+ if (strlen(name) != 14) {
+badformat:
+ warnx("date format: YYYYMMDDHHMMSS[.nsec]");
+ return 1;
+ }
+
+ for (p = name; *p; p++)
+ if (*p < '0' || *p > '9')
+ goto badformat;
+
+ p = name;
+#define VAL() ((*p++) - '0')
+ t.tm_year = VAL();
+ t.tm_year = VAL() + t.tm_year * 10;
+ t.tm_year = VAL() + t.tm_year * 10;
+ t.tm_year = VAL() + t.tm_year * 10 - 1900;
+ t.tm_mon = VAL();
+ t.tm_mon = VAL() + t.tm_mon * 10 - 1;
+ t.tm_mday = VAL();
+ t.tm_mday = VAL() + t.tm_mday * 10;
+ t.tm_hour = VAL();
+ t.tm_hour = VAL() + t.tm_hour * 10;
+ t.tm_min = VAL();
+ t.tm_min = VAL() + t.tm_min * 10;
+ t.tm_sec = VAL();
+ t.tm_sec = VAL() + t.tm_sec * 10;
+ t.tm_isdst = -1;
+
+ sec = mktime(&t);
+ if (sec == -1) {
+ warnx("date/time out of range");
+ return 1;
+ }
+ *rsec = sec;
+ *rnsec = nsec;
+ return 0;
+}
+
+CMDFUNCSTART(chmtime)
+{
+ if (dotime(argv[1], &curinode->di_ctime, &curinode->di_ctimensec))
+ return 1;
+ inodirty();
+ printactive();
+ return 0;
+}
+
+CMDFUNCSTART(chatime)
+{
+ if (dotime(argv[1], &curinode->di_ctime, &curinode->di_ctimensec))
+ return 1;
+ inodirty();
+ printactive();
+ return 0;
+}
+
+CMDFUNCSTART(chctime)
+{
+ if (dotime(argv[1], &curinode->di_ctime, &curinode->di_ctimensec))
+ return 1;
+ inodirty();
+ printactive();
+ return 0;
+}
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