]>
git.ipfire.org Git - thirdparty/e2fsprogs.git/blob - misc/chattr.c
2 * chattr.c - Change file attributes on an ext2 file system
4 * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
5 * Laboratoire MASI, Institut Blaise Pascal
6 * Universite Pierre et Marie Curie (Paris VI)
8 * This file can be redistributed under the terms of the GNU General
15 * 93/11/13 - Replace stat() calls by lstat() to avoid loops
16 * 94/02/27 - Integrated in Ted's distribution
17 * 98/12/29 - Ignore symlinks when working recursively (G M Sipe)
18 * 98/12/29 - Display version info only when -V specified (G M Sipe)
21 #define _LARGEFILE64_SOURCE
23 #include <sys/types.h>
33 #include <sys/param.h>
35 #include "ext2fs/ext2_fs.h"
38 #define EXT2FS_ATTR(x) __attribute__(x)
40 #define EXT2FS_ATTR(x)
43 #ifndef S_ISLNK /* So we can compile even with gcc-warn */
45 # define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK)
47 # define S_ISLNK(mode) 0
51 #include "et/com_err.h"
54 #include "../version.h"
55 #include "nls-enable.h"
57 static const char * program_name
= "chattr";
62 static int set_version
;
64 static unsigned long version
;
70 static unsigned long af
;
71 static unsigned long rf
;
72 static unsigned long sf
;
74 #ifdef _LFS64_LARGEFILE
76 #define STRUCT_STAT struct stat64
79 #define STRUCT_STAT struct stat
82 static void usage(void)
85 _("Usage: %s [-RVf] [-+=AacDdijsSu] [-v version] files...\n"),
95 static const struct flags_char flags_array
[] = {
96 { EXT2_NOATIME_FL
, 'A' },
97 { EXT2_SYNC_FL
, 'S' },
98 { EXT2_DIRSYNC_FL
, 'D' },
99 { EXT2_APPEND_FL
, 'a' },
100 { EXT2_COMPR_FL
, 'c' },
101 { EXT2_NODUMP_FL
, 'd' },
102 { EXT2_IMMUTABLE_FL
, 'i' },
103 { EXT3_JOURNAL_DATA_FL
, 'j' },
104 { EXT2_SECRM_FL
, 's' },
105 { EXT2_UNRM_FL
, 'u' },
106 { EXT2_NOTAIL_FL
, 't' },
107 { EXT2_TOPDIR_FL
, 'T' },
111 static unsigned long get_flag(char c
)
113 const struct flags_char
*fp
;
115 for (fp
= flags_array
; fp
->flag
!= 0; fp
++) {
116 if (fp
->optchar
== c
)
123 static int decode_arg (int * i
, int argc
, char ** argv
)
132 for (p
= &argv
[*i
][1]; *p
; p
++) {
149 version
= strtol (argv
[*i
], &tmp
, 0);
151 com_err (program_name
, 0,
152 _("bad version - %s\n"),
159 if ((fl
= get_flag(*p
)) == 0)
167 for (p
= &argv
[*i
][1]; *p
; p
++) {
168 if ((fl
= get_flag(*p
)) == 0)
175 for (p
= &argv
[*i
][1]; *p
; p
++) {
176 if ((fl
= get_flag(*p
)) == 0)
188 static int chattr_dir_proc(const char *, struct dirent
*, void *);
190 static int change_attributes(const char * name
)
195 if (LSTAT (name
, &st
) == -1) {
197 com_err (program_name
, errno
,
198 _("while trying to stat %s"), name
);
204 printf (_("Flags of %s set as "), name
);
205 print_flags (stdout
, sf
, 0);
208 if (fsetflags (name
, sf
) == -1)
211 if (fgetflags (name
, &flags
) == -1) {
213 com_err (program_name
, errno
,
214 _("while reading flags on %s"), name
);
222 printf (_("Flags of %s set as "), name
);
223 print_flags (stdout
, flags
, 0);
226 if (!S_ISDIR(st
.st_mode
))
227 flags
&= ~EXT2_DIRSYNC_FL
;
228 if (fsetflags (name
, flags
) == -1) {
230 com_err(program_name
, errno
,
231 _("while setting flags on %s"),
239 printf (_("Version of %s set as %lu\n"), name
, version
);
240 if (fsetversion (name
, version
) == -1) {
242 com_err (program_name
, errno
,
243 _("while setting version on %s"),
248 if (S_ISDIR(st
.st_mode
) && recursive
)
249 return iterate_on_dir (name
, chattr_dir_proc
, NULL
);
253 static int chattr_dir_proc (const char * dir_name
, struct dirent
* de
,
254 void * private EXT2FS_ATTR((unused
)))
258 if (strcmp (de
->d_name
, ".") && strcmp (de
->d_name
, "..")) {
261 path
= malloc(strlen (dir_name
) + 1 + strlen (de
->d_name
) + 1);
263 fprintf(stderr
, _("Couldn't allocate path variable "
264 "in chattr_dir_proc"));
267 sprintf(path
, "%s/%s", dir_name
, de
->d_name
);
268 ret
= change_attributes(path
);
274 int main (int argc
, char ** argv
)
281 setlocale(LC_MESSAGES
, "");
282 setlocale(LC_CTYPE
, "");
283 bindtextdomain(NLS_CAT_NAME
, LOCALEDIR
);
284 textdomain(NLS_CAT_NAME
);
287 program_name
= *argv
;
289 while (i
< argc
&& !end_arg
) {
290 /* '--' arg should end option processing */
291 if (strcmp(argv
[i
], "--") == 0) {
294 } else if (decode_arg (&i
, argc
, argv
) == EOF
)
301 if (set
&& (add
|| rem
)) {
302 fputs(_("= is incompatible with - and +\n"), stderr
);
305 if ((rf
& af
) != 0) {
306 fputs("Can't both set and unset same flag.\n", stderr
);
309 if (!(add
|| rem
|| set
|| set_version
)) {
310 fputs(_("Must use '-v', =, - or +\n"), stderr
);
314 fprintf (stderr
, "chattr %s (%s)\n",
315 E2FSPROGS_VERSION
, E2FSPROGS_DATE
);
316 for (j
= i
; j
< argc
; j
++) {
317 err
= change_attributes (argv
[j
]);