mirror of https://github.com/vitalif/e2fsprogs
debugfs: pretty print encrypted filenames in the ls command
Added the -r (raw) option to print the actual encrypted entry. Signed-off-by: Theodore Ts'o <tytso@mit.edu>debian
parent
baa14bd17f
commit
68a1de3df3
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@ -479,7 +479,7 @@ option causes logdump to display old (checkpointed) journal entries.
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This can be used to try to track down journal problems even after the
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journal has been replayed.
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.TP
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.BI ls " [-l] [-c] [-d] [-p] filespec"
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.BI ls " [-l] [-c] [-d] [-p] [-r] filespec"
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Print a listing of the files in the directory
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.IR filespec .
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The
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@ -496,6 +496,9 @@ The
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flag will list the files in a format which is more easily parsable by
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scripts, as well as making it more clear when there are spaces or other
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non-printing characters at the end of filenames.
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The
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.I \-r
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flag will force the printing of the filename, even if it is encrypted.
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.TP
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.BI list_deleted_inodes " [limit]"
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List deleted inodes, optionally limited to those deleted within
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112
debugfs/ls.c
112
debugfs/ls.c
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@ -31,16 +31,56 @@ extern char *optarg;
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#define LONG_OPT 0x0001
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#define PARSE_OPT 0x0002
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#define RAW_OPT 0x0004
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#define ENCRYPT_OPT 0x8000
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struct list_dir_struct {
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FILE *f;
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int col;
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int options;
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int state;
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};
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static const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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static int print_filename(FILE *f, struct ext2_dir_entry *dirent, int options)
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{
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unsigned char ch;
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const char *cp = dirent->name;
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int len = ext2fs_dirent_name_len(dirent);
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int retlen = 0;
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if ((options & ENCRYPT_OPT) && !(options & RAW_OPT)) {
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if (f)
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return fprintf(f, "<encrypted (%d)>", len);
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else {
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char tmp[1];
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return snprintf(tmp, sizeof(tmp),
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"<encrypted (%d)>", len);
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}
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}
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while (len--) {
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ch = *cp++;
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if (ch > 128) {
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if (f)
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fputs("M-", f);
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ch -= 128;
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retlen += 2;
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}
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if ((ch < 32) || (ch == 0x7f)) {
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if (f)
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fputc('^', f);
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ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
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retlen++;
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}
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if (f)
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fputc(ch, f);
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retlen++;
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}
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return retlen;
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}
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static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
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int entry,
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struct ext2_dir_entry *dirent,
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@ -53,18 +93,21 @@ static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
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ext2_ino_t ino;
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struct tm *tm_p;
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time_t modtime;
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char name[EXT2_NAME_LEN + 1];
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char tmp[EXT2_NAME_LEN + 16];
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char datestr[80];
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char lbr, rbr;
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int thislen;
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int options;
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struct list_dir_struct *ls = (struct list_dir_struct *) private;
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struct ext2_dir_entry_tail *t = (struct ext2_dir_entry_tail *) dirent;
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thislen = ext2fs_dirent_name_len(dirent);
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strncpy(name, dirent->name, thislen);
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name[thislen] = '\0';
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ino = dirent->inode;
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options = ls->options;
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if (ls->state < 2) {
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ls->state++;
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options |= RAW_OPT;
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}
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if (entry == DIRENT_DELETED_FILE) {
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lbr = '<';
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@ -73,21 +116,22 @@ static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
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} else {
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lbr = rbr = ' ';
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}
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if (ls->options & PARSE_OPT) {
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if (options & PARSE_OPT) {
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if (ino) {
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if (debugfs_read_inode(ino, &inode, name))
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if (debugfs_read_inode(ino, &inode, "ls"))
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return 0;
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} else
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memset(&inode, 0, sizeof(struct ext2_inode));
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fprintf(ls->f,"/%u/%06o/%d/%d/%s/",ino,inode.i_mode,inode.i_uid, inode.i_gid,name);
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fprintf(ls->f,"/%u/%06o/%d/%d/%*s/", ino, inode.i_mode,
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inode.i_uid, inode.i_gid, thislen, dirent->name);
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if (LINUX_S_ISDIR(inode.i_mode))
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fprintf(ls->f, "/");
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else
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fprintf(ls->f, "%lld/", EXT2_I_SIZE(&inode));
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fprintf(ls->f, "\n");
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} else if (ls->options & LONG_OPT) {
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} else if (options & LONG_OPT) {
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if (ino) {
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if (debugfs_read_inode(ino, &inode, name))
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if (debugfs_read_inode(ino, &inode, "ls"))
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return 0;
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modtime = inode.i_mtime;
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tm_p = localtime(&modtime);
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@ -112,22 +156,35 @@ static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
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fprintf(ls->f, "%5d", inode.i_size);
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else
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fprintf(ls->f, "%5llu", EXT2_I_SIZE(&inode));
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fprintf (ls->f, " %s %s\n", datestr, name);
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fputs(datestr, ls->f);
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fputc(' ', ls->f);
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print_filename(ls->f, dirent, options);
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fputc('\n', ls->f);
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} else {
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if (entry == DIRENT_CHECKSUM)
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if (entry == DIRENT_CHECKSUM) {
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sprintf(tmp, "%c%u%c (dirblock checksum: 0x%08x) ",
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lbr, dirent->inode, rbr, t->det_checksum);
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else
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sprintf(tmp, "%c%u%c (%d) %s ",
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lbr, dirent->inode, rbr,
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dirent->rec_len, name);
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thislen = strlen(tmp);
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thislen = strlen(tmp);
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if (ls->col + thislen > 80) {
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fputc('\n', ls->f);
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ls->col = 0;
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}
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fprintf(ls->f, "%s", tmp);
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ls->col += thislen;
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return 0;
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}
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sprintf(tmp, "%c%u%c (%d) ", lbr, dirent->inode, rbr,
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dirent->rec_len);
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thislen = strlen(tmp) + 3;
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thislen += print_filename(NULL, dirent, options);
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if (ls->col + thislen > 80) {
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fprintf(ls->f, "\n");
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fputc('\n', ls->f);
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ls->col = 0;
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}
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fprintf(ls->f, "%s", tmp);
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print_filename(ls->f, dirent, options);
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fputs(" ", ls->f);
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ls->col += thislen;
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}
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return 0;
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@ -135,18 +192,20 @@ static int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
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void do_list_dir(int argc, char *argv[])
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{
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ext2_ino_t inode;
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struct ext2_inode inode;
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ext2_ino_t ino;
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int retval;
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int c;
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int flags = DIRENT_FLAG_INCLUDE_EMPTY;
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struct list_dir_struct ls;
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ls.options = 0;
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ls.state = 0;
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if (check_fs_open(argv[0]))
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return;
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reset_getopt();
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while ((c = getopt (argc, argv, "cdlp")) != EOF) {
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while ((c = getopt (argc, argv, "cdlpr")) != EOF) {
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switch (c) {
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case 'c':
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flags |= DIRENT_FLAG_INCLUDE_CSUM;
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@ -160,6 +219,9 @@ void do_list_dir(int argc, char *argv[])
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case 'p':
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ls.options |= PARSE_OPT;
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break;
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case 'r':
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ls.options |= RAW_OPT;
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break;
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default:
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goto print_usage;
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}
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@ -172,16 +234,22 @@ void do_list_dir(int argc, char *argv[])
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}
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if (argc == optind)
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inode = cwd;
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ino = cwd;
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else
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inode = string_to_inode(argv[optind]);
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if (!inode)
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ino = string_to_inode(argv[optind]);
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if (!ino)
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return;
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ls.f = open_pager();
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ls.col = 0;
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retval = ext2fs_dir_iterate2(current_fs, inode, flags,
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if (debugfs_read_inode(ino, &inode, argv[0]))
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return;
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if (inode.i_flags & EXT4_ENCRYPT_FL)
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ls.options |= ENCRYPT_OPT;
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retval = ext2fs_dir_iterate2(current_fs, ino, flags,
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0, list_dir_proc, &ls);
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fprintf(ls.f, "\n");
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close_pager(ls.f);
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