diff options
Diffstat (limited to 'e2fsprogs/chattr.c')
| -rw-r--r-- | e2fsprogs/chattr.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c deleted file mode 100644 index 4848e1e..0000000 --- a/e2fsprogs/chattr.c +++ /dev/null @@ -1,219 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * chattr.c - Change file attributes on an ext2 file system - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - * 93/11/13 - Replace stat() calls by lstat() to avoid loops - * 94/02/27 - Integrated in Ted's distribution - * 98/12/29 - Ignore symlinks when working recursively (G M Sipe) - * 98/12/29 - Display version info only when -V specified (G M Sipe) - */ - -#include <sys/types.h> -#include <dirent.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/param.h> -#include <sys/stat.h> -#include "ext2fs/ext2_fs.h" - -#ifdef __GNUC__ -# define EXT2FS_ATTR(x) __attribute__(x) -#else -# define EXT2FS_ATTR(x) -#endif - -#include "e2fsbb.h" -#include "e2p/e2p.h" - -#define OPT_ADD 1 -#define OPT_REM 2 -#define OPT_SET 4 -#define OPT_SET_VER 8 -static int flags; -static int recursive; - -static unsigned long version; - -static unsigned long af; -static unsigned long rf; -static unsigned long sf; - -struct flags_char { - unsigned long flag; - char optchar; -}; - -static const struct flags_char flags_array[] = { - { EXT2_NOATIME_FL, 'A' }, - { EXT2_SYNC_FL, 'S' }, - { EXT2_DIRSYNC_FL, 'D' }, - { EXT2_APPEND_FL, 'a' }, - { EXT2_COMPR_FL, 'c' }, - { EXT2_NODUMP_FL, 'd' }, - { EXT2_IMMUTABLE_FL, 'i' }, - { EXT3_JOURNAL_DATA_FL, 'j' }, - { EXT2_SECRM_FL, 's' }, - { EXT2_UNRM_FL, 'u' }, - { EXT2_NOTAIL_FL, 't' }, - { EXT2_TOPDIR_FL, 'T' }, - { 0, 0 } -}; - -static unsigned long get_flag(char c) -{ - const struct flags_char *fp; - for (fp = flags_array; fp->flag; fp++) - if (fp->optchar == c) - return fp->flag; - bb_show_usage(); - return 0; -} - -static int decode_arg(char *arg) -{ - unsigned long *fl; - char opt = *arg++; - - if (opt == '-') { - flags |= OPT_REM; - fl = &rf; - } else if (opt == '+') { - flags |= OPT_ADD; - fl = ⁡ - } else if (opt == '=') { - flags |= OPT_SET; - fl = &sf; - } else - return EOF; - - for (; *arg ; ++arg) - (*fl) |= get_flag(*arg); - - return 1; -} - -static int chattr_dir_proc(const char *, struct dirent *, void *); - -static void change_attributes(const char * name) -{ - unsigned long fsflags; - struct stat st; - - if (lstat(name, &st) == -1) { - bb_error_msg("stat %s failed", name); - return; - } - if (S_ISLNK(st.st_mode) && recursive) - return; - - /* Don't try to open device files, fifos etc. We probably - * ought to display an error if the file was explicitly given - * on the command line (whether or not recursive was - * requested). */ - if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode) && !S_ISDIR(st.st_mode)) - return; - - if (flags & OPT_SET_VER) - if (fsetversion(name, version) == -1) - bb_error_msg("setting version on %s", name); - - if (flags & OPT_SET) { - fsflags = sf; - } else { - if (fgetflags(name, &fsflags) == -1) { - bb_error_msg("reading flags on %s", name); - goto skip_setflags; - } - if (flags & OPT_REM) - fsflags &= ~rf; - if (flags & OPT_ADD) - fsflags |= af; - if (!S_ISDIR(st.st_mode)) - fsflags &= ~EXT2_DIRSYNC_FL; - } - if (fsetflags(name, fsflags) == -1) - bb_error_msg("setting flags on %s", name); - -skip_setflags: - if (S_ISDIR(st.st_mode) && recursive) - iterate_on_dir(name, chattr_dir_proc, NULL); -} - -static int chattr_dir_proc(const char *dir_name, struct dirent *de, - void *private EXT2FS_ATTR((unused))) -{ - /*if (strcmp(de->d_name, ".") || strcmp(de->d_name, "..")) {*/ - if (de->d_name[0] == '.' - && (!de->d_name[1] || (de->d_name[1] == '.' && !de->d_name[2])) - ) { - char *path = concat_subpath_file(dir_name, de->d_name); - if (path) { - change_attributes(path); - free(path); - } - } - return 0; -} - -int chattr_main(int argc, char **argv) -{ - int i; - char *arg; - - /* parse the args */ - for (i = 1; i < argc; ++i) { - arg = argv[i]; - - /* take care of -R and -v <version> */ - if (arg[0] == '-') { - if (arg[1] == 'R' && arg[2] == '\0') { - recursive = 1; - continue; - } else if (arg[1] == 'v' && arg[2] == '\0') { - char *tmp; - ++i; - if (i >= argc) - bb_show_usage(); - version = strtol(argv[i], &tmp, 0); - if (*tmp) - bb_error_msg_and_die("bad version '%s'", arg); - flags |= OPT_SET_VER; - continue; - } - } - - if (decode_arg(arg) == EOF) - break; - } - - /* run sanity checks on all the arguments given us */ - if (i >= argc) - bb_show_usage(); - if ((flags & OPT_SET) && ((flags & OPT_ADD) || (flags & OPT_REM))) - bb_error_msg_and_die("= is incompatible with - and +"); - if ((rf & af) != 0) - bb_error_msg_and_die("Can't set and unset a flag"); - if (!flags) - bb_error_msg_and_die("Must use '-v', =, - or +"); - - /* now run chattr on all the files passed to us */ - while (i < argc) - change_attributes(argv[i++]); - - return EXIT_SUCCESS; -} |