2 * ls.c --- list directories
4 * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed
5 * under the terms of the GNU Public License.
18 #include <sys/types.h>
27 #include "ext2fs/lfsck.h"
33 #define LONG_OPT 0x0001
34 #define PARSE_OPT 0x0002
35 #define RAW_OPT 0x0004
36 #define DIRDATA_OPT 0x0008
37 #define ENCRYPT_OPT 0x8000
39 struct list_dir_struct {
46 static const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
47 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
49 static void list_dirdata(struct list_dir_struct *ls,
50 struct ext2_dir_entry *dirent)
55 __u8 file_type = dirent->name_len >> 8;
57 data = (unsigned char *)dirent->name +
58 (dirent->name_len & EXT2_NAME_LEN) + 1;
60 for (dirdata_mask = EXT2_FT_MASK + 1;
61 dirdata_mask != 0; dirdata_mask <<= 1) {
62 if ((dirdata_mask & file_type) == 0)
67 if (dirdata_mask == EXT2_DIRENT_LUFID) {
68 struct lu_fid *fid = (struct lu_fid *)(data + 1);
70 fid_be_to_cpu(fid, fid);
71 fprintf(ls->f, "fid:"DFID, PFID(fid));
75 for (i = 1; i < dlen; i++)
76 fprintf(ls->f, "%02x", data[i]);
84 static int print_filename(FILE *f, struct ext2_dir_entry *dirent, int options)
87 const char *cp = dirent->name;
88 int len = ext2fs_dirent_name_len(dirent);
91 if ((options & ENCRYPT_OPT) && !(options & RAW_OPT)) {
93 return fprintf(f, "<encrypted (%d)>", len);
96 return snprintf(tmp, sizeof(tmp),
97 "<encrypted (%d)>", len);
108 if ((ch < 32) || (ch == 0x7f)) {
111 ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
121 static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
123 struct ext2_dir_entry *dirent,
124 int offset EXT2FS_ATTR((unused)),
125 int blocksize EXT2FS_ATTR((unused)),
126 char *buf EXT2FS_ATTR((unused)),
129 struct ext2_inode inode;
133 char tmp[EXT2_NAME_LEN + 16];
138 struct list_dir_struct *ls = (struct list_dir_struct *) private;
139 struct ext2_dir_entry_tail *t = (struct ext2_dir_entry_tail *) dirent;
141 thislen = ext2fs_dirent_name_len(dirent);
143 options = ls->options;
149 if (entry == DIRENT_DELETED_FILE) {
156 if (options & PARSE_OPT) {
158 if (debugfs_read_inode(ino, &inode, "ls"))
161 memset(&inode, 0, sizeof(struct ext2_inode));
162 fprintf(ls->f,"/%u/%06o/%d/%d/%.*s/", ino, inode.i_mode,
163 inode.i_uid, inode.i_gid, thislen, dirent->name);
164 if (LINUX_S_ISDIR(inode.i_mode))
167 fprintf(ls->f, "%lld/", EXT2_I_SIZE(&inode));
168 fprintf(ls->f, "\n");
169 } else if (options & LONG_OPT) {
171 if (debugfs_read_inode(ino, &inode, "ls"))
173 modtime = inode.i_mtime;
174 tm_p = localtime(&modtime);
175 sprintf(datestr, "%2d-%s-%4d %02d:%02d",
176 tm_p->tm_mday, monstr[tm_p->tm_mon],
177 1900 + tm_p->tm_year, tm_p->tm_hour,
180 strcpy(datestr, " ");
181 memset(&inode, 0, sizeof(struct ext2_inode));
183 fprintf(ls->f, "%c%6u%c %6o ", lbr, ino, rbr, inode.i_mode);
184 if (entry == DIRENT_CHECKSUM) {
185 fprintf(ls->f, "(dirblock checksum: 0x%08x)\n",
189 fprintf(ls->f, "(%d) %5d %5d ",
190 ext2fs_dirent_file_type(dirent),
191 inode_uid(inode), inode_gid(inode));
192 if (LINUX_S_ISDIR(inode.i_mode))
193 fprintf(ls->f, "%5d", inode.i_size);
195 fprintf(ls->f, "%5llu", EXT2_I_SIZE(&inode));
196 fprintf(ls->f, " %s ", datestr);
197 if ((ls->options & DIRDATA_OPT) != 0)
198 list_dirdata(ls, dirent);
199 print_filename(ls->f, dirent, options);
202 if (entry == DIRENT_CHECKSUM) {
203 sprintf(tmp, "%c%u%c (dirblock checksum: 0x%08x) ",
204 lbr, dirent->inode, rbr, t->det_checksum);
205 thislen = strlen(tmp);
206 if (ls->col + thislen > 80) {
210 fprintf(ls->f, "%s", tmp);
214 sprintf(tmp, "%c%u%c (%d) ", lbr, dirent->inode, rbr,
216 thislen = strlen(tmp) + 3;
217 thislen += print_filename(NULL, dirent, options);
219 if (ls->col + thislen > 80) {
223 fprintf(ls->f, "%s", tmp);
224 print_filename(ls->f, dirent, options);
231 void do_list_dir(int argc, char *argv[])
233 struct ext2_inode inode;
237 int flags = DIRENT_FLAG_INCLUDE_EMPTY;
238 struct list_dir_struct ls;
242 if (check_fs_open(argv[0]))
246 while ((c = getopt(argc, argv, "cdDlpr")) != EOF) {
249 flags |= DIRENT_FLAG_INCLUDE_CSUM;
252 ls.options |= LONG_OPT;
255 ls.options |= DIRDATA_OPT;
258 flags |= DIRENT_FLAG_INCLUDE_REMOVED;
261 ls.options |= PARSE_OPT;
264 ls.options |= RAW_OPT;
271 if (argc > optind+1) {
273 com_err(0, 0, "Usage: ls [-c] [-d] [-l] [-p] [-r] file");
280 ino = string_to_inode(argv[optind]);
287 if (debugfs_read_inode(ino, &inode, argv[0]))
290 if (inode.i_flags & EXT4_ENCRYPT_FL)
291 ls.options |= ENCRYPT_OPT;
293 retval = ext2fs_dir_iterate2(current_fs, ino, flags,
294 0, list_dir_proc, &ls);
298 com_err(argv[1], retval, 0);