9ae99f1d1f
in format strings. - Use (void) instead of (void *) when discarding strcat(3) return value. - Format string fixes to match variable types. - Change canon() len parameter and getcmd() size parameter type from int to size_t. - Style Makefile and increase WARNS to 2. PR: bin/140061 Submitted by: uqs Approved by: trasz (mentor)
816 lines
19 KiB
C
816 lines
19 KiB
C
/*
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
* (c) UNIX System Laboratories, Inc.
|
|
* All or some portions of this file are derived from material licensed
|
|
* to the University of California by American Telephone and Telegraph
|
|
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
|
* the permission of UNIX System Laboratories, Inc.
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)dirs.c 8.7 (Berkeley) 5/1/95";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/file.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ufs/dir.h>
|
|
#include <protocols/dumprestore.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <paths.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "restore.h"
|
|
#include "extern.h"
|
|
|
|
/*
|
|
* Symbol table of directories read from tape.
|
|
*/
|
|
#define HASHSIZE 1000
|
|
#define INOHASH(val) (val % HASHSIZE)
|
|
struct inotab {
|
|
struct inotab *t_next;
|
|
ino_t t_ino;
|
|
int32_t t_seekpt;
|
|
int32_t t_size;
|
|
};
|
|
static struct inotab *inotab[HASHSIZE];
|
|
|
|
/*
|
|
* Information retained about directories.
|
|
*/
|
|
struct modeinfo {
|
|
ino_t ino;
|
|
struct timeval ctimep[2];
|
|
struct timeval mtimep[2];
|
|
mode_t mode;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
int flags;
|
|
int extsize;
|
|
};
|
|
|
|
/*
|
|
* Definitions for library routines operating on directories.
|
|
*/
|
|
#undef DIRBLKSIZ
|
|
#define DIRBLKSIZ 1024
|
|
struct rstdirdesc {
|
|
int dd_fd;
|
|
int32_t dd_loc;
|
|
int32_t dd_size;
|
|
char dd_buf[DIRBLKSIZ];
|
|
};
|
|
|
|
/*
|
|
* Global variables for this file.
|
|
*/
|
|
static long seekpt;
|
|
static FILE *df, *mf;
|
|
static RST_DIR *dirp;
|
|
static char dirfile[MAXPATHLEN] = "#"; /* No file */
|
|
static char modefile[MAXPATHLEN] = "#"; /* No file */
|
|
static char dot[2] = "."; /* So it can be modified */
|
|
|
|
static struct inotab *allocinotab(struct context *, long);
|
|
static void flushent(void);
|
|
static struct inotab *inotablookup(ino_t);
|
|
static RST_DIR *opendirfile(const char *);
|
|
static void putdir(char *, long);
|
|
static void putdirattrs(char *, long);
|
|
static void putent(struct direct *);
|
|
static void rst_seekdir(RST_DIR *, long, long);
|
|
static long rst_telldir(RST_DIR *);
|
|
static struct direct *searchdir(ino_t, char *);
|
|
static void fail_dirtmp(char *);
|
|
|
|
/*
|
|
* Extract directory contents, building up a directory structure
|
|
* on disk for extraction by name.
|
|
* If genmode is requested, save mode, owner, and times for all
|
|
* directories on the tape.
|
|
*/
|
|
void
|
|
extractdirs(int genmode)
|
|
{
|
|
struct inotab *itp;
|
|
struct direct nulldir;
|
|
int i, fd;
|
|
const char *tmpdir;
|
|
|
|
vprintf(stdout, "Extract directories from tape\n");
|
|
if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0')
|
|
tmpdir = _PATH_TMP;
|
|
(void) sprintf(dirfile, "%s/rstdir%jd", tmpdir, (intmax_t)dumpdate);
|
|
if (command != 'r' && command != 'R') {
|
|
(void) strcat(dirfile, "-XXXXXX");
|
|
fd = mkstemp(dirfile);
|
|
} else
|
|
fd = open(dirfile, O_RDWR|O_CREAT|O_EXCL, 0666);
|
|
if (fd == -1 || (df = fdopen(fd, "w")) == NULL) {
|
|
if (fd != -1)
|
|
close(fd);
|
|
warn("%s: cannot create directory database", dirfile);
|
|
done(1);
|
|
}
|
|
if (genmode != 0) {
|
|
(void) sprintf(modefile, "%s/rstmode%jd", tmpdir,
|
|
(intmax_t)dumpdate);
|
|
if (command != 'r' && command != 'R') {
|
|
(void) strcat(modefile, "-XXXXXX");
|
|
fd = mkstemp(modefile);
|
|
} else
|
|
fd = open(modefile, O_RDWR|O_CREAT|O_EXCL, 0666);
|
|
if (fd == -1 || (mf = fdopen(fd, "w")) == NULL) {
|
|
if (fd != -1)
|
|
close(fd);
|
|
warn("%s: cannot create modefile", modefile);
|
|
done(1);
|
|
}
|
|
}
|
|
nulldir.d_ino = 0;
|
|
nulldir.d_type = DT_DIR;
|
|
nulldir.d_namlen = 1;
|
|
(void) strcpy(nulldir.d_name, "/");
|
|
nulldir.d_reclen = DIRSIZ(0, &nulldir);
|
|
for (;;) {
|
|
curfile.name = "<directory file - name unknown>";
|
|
curfile.action = USING;
|
|
if (curfile.mode == 0 || (curfile.mode & IFMT) != IFDIR)
|
|
break;
|
|
itp = allocinotab(&curfile, seekpt);
|
|
getfile(putdir, putdirattrs, xtrnull);
|
|
putent(&nulldir);
|
|
flushent();
|
|
itp->t_size = seekpt - itp->t_seekpt;
|
|
}
|
|
if (fclose(df) != 0)
|
|
fail_dirtmp(dirfile);
|
|
dirp = opendirfile(dirfile);
|
|
if (dirp == NULL)
|
|
fprintf(stderr, "opendirfile: %s\n", strerror(errno));
|
|
if (mf != NULL && fclose(mf) != 0)
|
|
fail_dirtmp(modefile);
|
|
i = dirlookup(dot);
|
|
if (i == 0)
|
|
panic("Root directory is not on tape\n");
|
|
}
|
|
|
|
/*
|
|
* skip over all the directories on the tape
|
|
*/
|
|
void
|
|
skipdirs(void)
|
|
{
|
|
|
|
while (curfile.ino && (curfile.mode & IFMT) == IFDIR) {
|
|
skipfile();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Recursively find names and inumbers of all files in subtree
|
|
* pname and pass them off to be processed.
|
|
*/
|
|
void
|
|
treescan(char *pname, ino_t ino, long (*todo)(char *, ino_t, int))
|
|
{
|
|
struct inotab *itp;
|
|
struct direct *dp;
|
|
int namelen;
|
|
long bpt;
|
|
char locname[MAXPATHLEN];
|
|
|
|
itp = inotablookup(ino);
|
|
if (itp == NULL) {
|
|
/*
|
|
* Pname is name of a simple file or an unchanged directory.
|
|
*/
|
|
(void) (*todo)(pname, ino, LEAF);
|
|
return;
|
|
}
|
|
/*
|
|
* Pname is a dumped directory name.
|
|
*/
|
|
if ((*todo)(pname, ino, NODE) == FAIL)
|
|
return;
|
|
/*
|
|
* begin search through the directory
|
|
* skipping over "." and ".."
|
|
*/
|
|
(void) strlcpy(locname, pname, sizeof(locname));
|
|
(void) strlcat(locname, "/", sizeof(locname));
|
|
namelen = strlen(locname);
|
|
rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
|
|
dp = rst_readdir(dirp); /* "." */
|
|
if (dp != NULL && strcmp(dp->d_name, ".") == 0)
|
|
dp = rst_readdir(dirp); /* ".." */
|
|
else
|
|
fprintf(stderr, "Warning: `.' missing from directory %s\n",
|
|
pname);
|
|
if (dp != NULL && strcmp(dp->d_name, "..") == 0)
|
|
dp = rst_readdir(dirp); /* first real entry */
|
|
else
|
|
fprintf(stderr, "Warning: `..' missing from directory %s\n",
|
|
pname);
|
|
bpt = rst_telldir(dirp);
|
|
/*
|
|
* a zero inode signals end of directory
|
|
*/
|
|
while (dp != NULL) {
|
|
locname[namelen] = '\0';
|
|
if (namelen + dp->d_namlen >= sizeof(locname)) {
|
|
fprintf(stderr, "%s%s: name exceeds %zu char\n",
|
|
locname, dp->d_name, sizeof(locname) - 1);
|
|
} else {
|
|
(void)strlcat(locname, dp->d_name, sizeof(locname));
|
|
treescan(locname, dp->d_ino, todo);
|
|
rst_seekdir(dirp, bpt, itp->t_seekpt);
|
|
}
|
|
dp = rst_readdir(dirp);
|
|
bpt = rst_telldir(dirp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Lookup a pathname which is always assumed to start from the ROOTINO.
|
|
*/
|
|
struct direct *
|
|
pathsearch(const char *pathname)
|
|
{
|
|
ino_t ino;
|
|
struct direct *dp;
|
|
char *path, *name, buffer[MAXPATHLEN];
|
|
|
|
strcpy(buffer, pathname);
|
|
path = buffer;
|
|
ino = ROOTINO;
|
|
while (*path == '/')
|
|
path++;
|
|
dp = NULL;
|
|
while ((name = strsep(&path, "/")) != NULL && *name != '\0') {
|
|
if ((dp = searchdir(ino, name)) == NULL)
|
|
return (NULL);
|
|
ino = dp->d_ino;
|
|
}
|
|
return (dp);
|
|
}
|
|
|
|
/*
|
|
* Lookup the requested name in directory inum.
|
|
* Return its inode number if found, zero if it does not exist.
|
|
*/
|
|
static struct direct *
|
|
searchdir(ino_t inum, char *name)
|
|
{
|
|
struct direct *dp;
|
|
struct inotab *itp;
|
|
int len;
|
|
|
|
itp = inotablookup(inum);
|
|
if (itp == NULL)
|
|
return (NULL);
|
|
rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
|
|
len = strlen(name);
|
|
do {
|
|
dp = rst_readdir(dirp);
|
|
if (dp == NULL)
|
|
return (NULL);
|
|
} while (dp->d_namlen != len || strncmp(dp->d_name, name, len) != 0);
|
|
return (dp);
|
|
}
|
|
|
|
/*
|
|
* Put the directory entries in the directory file
|
|
*/
|
|
static void
|
|
putdir(char *buf, long size)
|
|
{
|
|
struct direct *dp;
|
|
long loc, i;
|
|
|
|
for (loc = 0; loc < size; ) {
|
|
dp = (struct direct *)(buf + loc);
|
|
if (Bcvt)
|
|
swabst((u_char *)"ls", (u_char *) dp);
|
|
if (oldinofmt && dp->d_ino != 0) {
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
if (Bcvt)
|
|
dp->d_namlen = dp->d_type;
|
|
#else
|
|
if (!Bcvt && dp->d_namlen == 0)
|
|
dp->d_namlen = dp->d_type;
|
|
#endif
|
|
dp->d_type = DT_UNKNOWN;
|
|
}
|
|
i = DIRBLKSIZ - (loc & (DIRBLKSIZ - 1));
|
|
if ((dp->d_reclen & 0x3) != 0 ||
|
|
dp->d_reclen > i ||
|
|
dp->d_reclen < DIRSIZ(0, dp)
|
|
#if NAME_MAX < 255
|
|
|| dp->d_namlen > NAME_MAX
|
|
#endif
|
|
) {
|
|
vprintf(stdout, "Mangled directory: ");
|
|
if ((dp->d_reclen & 0x3) != 0)
|
|
vprintf(stdout,
|
|
"reclen not multiple of 4 ");
|
|
if (dp->d_reclen < DIRSIZ(0, dp))
|
|
vprintf(stdout,
|
|
"reclen less than DIRSIZ (%d < %zu) ",
|
|
dp->d_reclen, DIRSIZ(0, dp));
|
|
#if NAME_MAX < 255
|
|
if (dp->d_namlen > NAME_MAX)
|
|
vprintf(stdout,
|
|
"reclen name too big (%d > %d) ",
|
|
dp->d_namlen, NAME_MAX);
|
|
#endif
|
|
vprintf(stdout, "\n");
|
|
loc += i;
|
|
continue;
|
|
}
|
|
loc += dp->d_reclen;
|
|
if (dp->d_ino != 0) {
|
|
putent(dp);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* These variables are "local" to the following two functions.
|
|
*/
|
|
char dirbuf[DIRBLKSIZ];
|
|
long dirloc = 0;
|
|
long prev = 0;
|
|
|
|
/*
|
|
* add a new directory entry to a file.
|
|
*/
|
|
static void
|
|
putent(struct direct *dp)
|
|
{
|
|
dp->d_reclen = DIRSIZ(0, dp);
|
|
if (dirloc + dp->d_reclen > DIRBLKSIZ) {
|
|
((struct direct *)(dirbuf + prev))->d_reclen =
|
|
DIRBLKSIZ - prev;
|
|
if (fwrite(dirbuf, DIRBLKSIZ, 1, df) != 1)
|
|
fail_dirtmp(dirfile);
|
|
dirloc = 0;
|
|
}
|
|
memmove(dirbuf + dirloc, dp, (long)dp->d_reclen);
|
|
prev = dirloc;
|
|
dirloc += dp->d_reclen;
|
|
}
|
|
|
|
/*
|
|
* flush out a directory that is finished.
|
|
*/
|
|
static void
|
|
flushent(void)
|
|
{
|
|
((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev;
|
|
if (fwrite(dirbuf, (int)dirloc, 1, df) != 1)
|
|
fail_dirtmp(dirfile);
|
|
seekpt = ftell(df);
|
|
dirloc = 0;
|
|
}
|
|
|
|
/*
|
|
* Save extended attributes for a directory entry to a file.
|
|
*/
|
|
static void
|
|
putdirattrs(char *buf, long size)
|
|
{
|
|
|
|
if (mf != NULL && fwrite(buf, size, 1, mf) != 1)
|
|
fail_dirtmp(modefile);
|
|
}
|
|
|
|
/*
|
|
* Seek to an entry in a directory.
|
|
* Only values returned by rst_telldir should be passed to rst_seekdir.
|
|
* This routine handles many directories in a single file.
|
|
* It takes the base of the directory in the file, plus
|
|
* the desired seek offset into it.
|
|
*/
|
|
static void
|
|
rst_seekdir(RST_DIR *dirp, long loc, long base)
|
|
{
|
|
|
|
if (loc == rst_telldir(dirp))
|
|
return;
|
|
loc -= base;
|
|
if (loc < 0)
|
|
fprintf(stderr, "bad seek pointer to rst_seekdir %ld\n", loc);
|
|
(void) lseek(dirp->dd_fd, base + (loc & ~(DIRBLKSIZ - 1)), SEEK_SET);
|
|
dirp->dd_loc = loc & (DIRBLKSIZ - 1);
|
|
if (dirp->dd_loc != 0)
|
|
dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ);
|
|
}
|
|
|
|
/*
|
|
* get next entry in a directory.
|
|
*/
|
|
struct direct *
|
|
rst_readdir(RST_DIR *dirp)
|
|
{
|
|
struct direct *dp;
|
|
|
|
for (;;) {
|
|
if (dirp->dd_loc == 0) {
|
|
dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf,
|
|
DIRBLKSIZ);
|
|
if (dirp->dd_size <= 0) {
|
|
dprintf(stderr, "error reading directory\n");
|
|
return (NULL);
|
|
}
|
|
}
|
|
if (dirp->dd_loc >= dirp->dd_size) {
|
|
dirp->dd_loc = 0;
|
|
continue;
|
|
}
|
|
dp = (struct direct *)(dirp->dd_buf + dirp->dd_loc);
|
|
if (dp->d_reclen == 0 ||
|
|
dp->d_reclen > DIRBLKSIZ + 1 - dirp->dd_loc) {
|
|
dprintf(stderr, "corrupted directory: bad reclen %d\n",
|
|
dp->d_reclen);
|
|
return (NULL);
|
|
}
|
|
dirp->dd_loc += dp->d_reclen;
|
|
if (dp->d_ino == 0 && strcmp(dp->d_name, "/") == 0)
|
|
return (NULL);
|
|
if (dp->d_ino >= maxino) {
|
|
dprintf(stderr, "corrupted directory: bad inum %d\n",
|
|
dp->d_ino);
|
|
continue;
|
|
}
|
|
return (dp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Simulate the opening of a directory
|
|
*/
|
|
void *
|
|
rst_opendir(const char *name)
|
|
{
|
|
struct inotab *itp;
|
|
RST_DIR *dirp;
|
|
ino_t ino;
|
|
|
|
if ((ino = dirlookup(name)) > 0 &&
|
|
(itp = inotablookup(ino)) != NULL) {
|
|
dirp = opendirfile(dirfile);
|
|
rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
|
|
return (dirp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* In our case, there is nothing to do when closing a directory.
|
|
*/
|
|
void
|
|
rst_closedir(void *arg)
|
|
{
|
|
RST_DIR *dirp;
|
|
|
|
dirp = arg;
|
|
(void)close(dirp->dd_fd);
|
|
free(dirp);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Simulate finding the current offset in the directory.
|
|
*/
|
|
static long
|
|
rst_telldir(RST_DIR *dirp)
|
|
{
|
|
return ((long)lseek(dirp->dd_fd,
|
|
(off_t)0, SEEK_CUR) - dirp->dd_size + dirp->dd_loc);
|
|
}
|
|
|
|
/*
|
|
* Open a directory file.
|
|
*/
|
|
static RST_DIR *
|
|
opendirfile(const char *name)
|
|
{
|
|
RST_DIR *dirp;
|
|
int fd;
|
|
|
|
if ((fd = open(name, O_RDONLY)) == -1)
|
|
return (NULL);
|
|
if ((dirp = malloc(sizeof(RST_DIR))) == NULL) {
|
|
(void)close(fd);
|
|
return (NULL);
|
|
}
|
|
dirp->dd_fd = fd;
|
|
dirp->dd_loc = 0;
|
|
return (dirp);
|
|
}
|
|
|
|
/*
|
|
* Set the mode, owner, and times for all new or changed directories
|
|
*/
|
|
void
|
|
setdirmodes(int flags)
|
|
{
|
|
FILE *mf;
|
|
struct modeinfo node;
|
|
struct entry *ep;
|
|
char *cp, *buf;
|
|
const char *tmpdir;
|
|
int bufsize;
|
|
uid_t myuid;
|
|
|
|
vprintf(stdout, "Set directory mode, owner, and times.\n");
|
|
if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0')
|
|
tmpdir = _PATH_TMP;
|
|
if (command == 'r' || command == 'R')
|
|
(void) sprintf(modefile, "%s/rstmode%jd", tmpdir,
|
|
(intmax_t)dumpdate);
|
|
if (modefile[0] == '#') {
|
|
panic("modefile not defined\n");
|
|
fprintf(stderr, "directory mode, owner, and times not set\n");
|
|
return;
|
|
}
|
|
mf = fopen(modefile, "r");
|
|
if (mf == NULL) {
|
|
fprintf(stderr, "fopen: %s\n", strerror(errno));
|
|
fprintf(stderr, "cannot open mode file %s\n", modefile);
|
|
fprintf(stderr, "directory mode, owner, and times not set\n");
|
|
return;
|
|
}
|
|
clearerr(mf);
|
|
bufsize = 0;
|
|
myuid = getuid();
|
|
for (;;) {
|
|
(void) fread((char *)&node, 1, sizeof(struct modeinfo), mf);
|
|
if (ferror(mf)) {
|
|
warn("%s: cannot read modefile.", modefile);
|
|
fprintf(stderr, "Mode, owner, and times not set.\n");
|
|
break;
|
|
}
|
|
if (feof(mf))
|
|
break;
|
|
if (node.extsize > 0) {
|
|
if (bufsize < node.extsize) {
|
|
if (bufsize > 0)
|
|
free(buf);
|
|
if ((buf = malloc(node.extsize)) != 0) {
|
|
bufsize = node.extsize;
|
|
} else {
|
|
bufsize = 0;
|
|
}
|
|
}
|
|
if (bufsize >= node.extsize) {
|
|
(void) fread(buf, 1, node.extsize, mf);
|
|
if (ferror(mf)) {
|
|
warn("%s: cannot read modefile.",
|
|
modefile);
|
|
fprintf(stderr, "Not all external ");
|
|
fprintf(stderr, "attributes set.\n");
|
|
break;
|
|
}
|
|
} else {
|
|
(void) fseek(mf, node.extsize, SEEK_CUR);
|
|
if (ferror(mf)) {
|
|
warn("%s: cannot seek in modefile.",
|
|
modefile);
|
|
fprintf(stderr, "Not all directory ");
|
|
fprintf(stderr, "attributes set.\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
ep = lookupino(node.ino);
|
|
if (command == 'i' || command == 'x') {
|
|
if (ep == NULL)
|
|
continue;
|
|
if ((flags & FORCE) == 0 && ep->e_flags & EXISTED) {
|
|
ep->e_flags &= ~NEW;
|
|
continue;
|
|
}
|
|
if (node.ino == ROOTINO &&
|
|
reply("set owner/mode for '.'") == FAIL)
|
|
continue;
|
|
}
|
|
if (ep == NULL) {
|
|
panic("cannot find directory inode %d\n", node.ino);
|
|
continue;
|
|
}
|
|
cp = myname(ep);
|
|
if (!Nflag) {
|
|
if (node.extsize > 0) {
|
|
if (bufsize >= node.extsize) {
|
|
set_extattr_file(cp, buf, node.extsize);
|
|
} else {
|
|
fprintf(stderr, "Cannot restore %s%s\n",
|
|
"extended attributes for ", cp);
|
|
}
|
|
}
|
|
if (myuid != 0)
|
|
(void) chown(cp, myuid, node.gid);
|
|
else
|
|
(void) chown(cp, node.uid, node.gid);
|
|
(void) chmod(cp, node.mode);
|
|
utimes(cp, node.ctimep);
|
|
utimes(cp, node.mtimep);
|
|
(void) chflags(cp, node.flags);
|
|
}
|
|
ep->e_flags &= ~NEW;
|
|
}
|
|
if (bufsize > 0)
|
|
free(buf);
|
|
(void) fclose(mf);
|
|
}
|
|
|
|
/*
|
|
* Generate a literal copy of a directory.
|
|
*/
|
|
int
|
|
genliteraldir(char *name, ino_t ino)
|
|
{
|
|
struct inotab *itp;
|
|
int ofile, dp, i, size;
|
|
char buf[BUFSIZ];
|
|
|
|
itp = inotablookup(ino);
|
|
if (itp == NULL)
|
|
panic("Cannot find directory inode %d named %s\n", ino, name);
|
|
if ((ofile = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
|
|
fprintf(stderr, "%s: ", name);
|
|
(void) fflush(stderr);
|
|
fprintf(stderr, "cannot create file: %s\n", strerror(errno));
|
|
return (FAIL);
|
|
}
|
|
rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
|
|
dp = dup(dirp->dd_fd);
|
|
for (i = itp->t_size; i > 0; i -= BUFSIZ) {
|
|
size = i < BUFSIZ ? i : BUFSIZ;
|
|
if (read(dp, buf, (int) size) == -1) {
|
|
fprintf(stderr,
|
|
"write error extracting inode %d, name %s\n",
|
|
curfile.ino, curfile.name);
|
|
fprintf(stderr, "read: %s\n", strerror(errno));
|
|
done(1);
|
|
}
|
|
if (!Nflag && write(ofile, buf, (int) size) == -1) {
|
|
fprintf(stderr,
|
|
"write error extracting inode %d, name %s\n",
|
|
curfile.ino, curfile.name);
|
|
fprintf(stderr, "write: %s\n", strerror(errno));
|
|
done(1);
|
|
}
|
|
}
|
|
(void) close(dp);
|
|
(void) close(ofile);
|
|
return (GOOD);
|
|
}
|
|
|
|
/*
|
|
* Determine the type of an inode
|
|
*/
|
|
int
|
|
inodetype(ino_t ino)
|
|
{
|
|
struct inotab *itp;
|
|
|
|
itp = inotablookup(ino);
|
|
if (itp == NULL)
|
|
return (LEAF);
|
|
return (NODE);
|
|
}
|
|
|
|
/*
|
|
* Allocate and initialize a directory inode entry.
|
|
* If requested, save its pertinent mode, owner, and time info.
|
|
*/
|
|
static struct inotab *
|
|
allocinotab(struct context *ctxp, long seekpt)
|
|
{
|
|
struct inotab *itp;
|
|
struct modeinfo node;
|
|
|
|
itp = calloc(1, sizeof(struct inotab));
|
|
if (itp == NULL)
|
|
panic("no memory for directory table\n");
|
|
itp->t_next = inotab[INOHASH(ctxp->ino)];
|
|
inotab[INOHASH(ctxp->ino)] = itp;
|
|
itp->t_ino = ctxp->ino;
|
|
itp->t_seekpt = seekpt;
|
|
if (mf == NULL)
|
|
return (itp);
|
|
node.ino = ctxp->ino;
|
|
node.mtimep[0].tv_sec = ctxp->atime_sec;
|
|
node.mtimep[0].tv_usec = ctxp->atime_nsec / 1000;
|
|
node.mtimep[1].tv_sec = ctxp->mtime_sec;
|
|
node.mtimep[1].tv_usec = ctxp->mtime_nsec / 1000;
|
|
node.ctimep[0].tv_sec = ctxp->atime_sec;
|
|
node.ctimep[0].tv_usec = ctxp->atime_nsec / 1000;
|
|
node.ctimep[1].tv_sec = ctxp->birthtime_sec;
|
|
node.ctimep[1].tv_usec = ctxp->birthtime_nsec / 1000;
|
|
node.extsize = ctxp->extsize;
|
|
node.mode = ctxp->mode;
|
|
node.flags = ctxp->file_flags;
|
|
node.uid = ctxp->uid;
|
|
node.gid = ctxp->gid;
|
|
if (fwrite((char *)&node, sizeof(struct modeinfo), 1, mf) != 1)
|
|
fail_dirtmp(modefile);
|
|
return (itp);
|
|
}
|
|
|
|
/*
|
|
* Look up an inode in the table of directories
|
|
*/
|
|
static struct inotab *
|
|
inotablookup(ino_t ino)
|
|
{
|
|
struct inotab *itp;
|
|
|
|
for (itp = inotab[INOHASH(ino)]; itp != NULL; itp = itp->t_next)
|
|
if (itp->t_ino == ino)
|
|
return (itp);
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Clean up and exit
|
|
*/
|
|
void
|
|
done(int exitcode)
|
|
{
|
|
|
|
closemt();
|
|
if (modefile[0] != '#') {
|
|
(void) truncate(modefile, 0);
|
|
(void) unlink(modefile);
|
|
}
|
|
if (dirfile[0] != '#') {
|
|
(void) truncate(dirfile, 0);
|
|
(void) unlink(dirfile);
|
|
}
|
|
exit(exitcode);
|
|
}
|
|
|
|
/*
|
|
* Print out information about the failure to save directory,
|
|
* extended attribute, and mode information.
|
|
*/
|
|
static void
|
|
fail_dirtmp(char *filename)
|
|
{
|
|
const char *tmpdir;
|
|
|
|
warn("%s: cannot write directory database", filename);
|
|
if (errno == ENOSPC) {
|
|
if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0')
|
|
tmpdir = _PATH_TMP;
|
|
fprintf(stderr, "Try making space in %s, %s\n%s\n", tmpdir,
|
|
"or set environment variable TMPDIR",
|
|
"to an alternate location with more disk space.");
|
|
}
|
|
done(1);
|
|
}
|