diff options
Diffstat (limited to 'sbin/fsdb/fsdb.c')
-rw-r--r-- | sbin/fsdb/fsdb.c | 865 |
1 files changed, 0 insertions, 865 deletions
diff --git a/sbin/fsdb/fsdb.c b/sbin/fsdb/fsdb.c deleted file mode 100644 index 8a5ad7b3ddc27..0000000000000 --- a/sbin/fsdb/fsdb.c +++ /dev/null @@ -1,865 +0,0 @@ -/* $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; -} |