119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * ls.c --- list directories 319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed 519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * under the terms of the GNU Public License. 619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdio.h> 919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <unistd.h> 1019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdlib.h> 1119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <ctype.h> 1219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <string.h> 1319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <time.h> 1419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_ERRNO_H 1519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <errno.h> 1619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 1719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <sys/types.h> 1819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_GETOPT_H 1919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <getopt.h> 2019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#else 2119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectextern int optind; 2219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectextern char *optarg; 2319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 2419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 2519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "debugfs.h" 2619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 2719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 2819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * list directory 2919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 3019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define LONG_OPT 0x0001 3219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define DELETED_OPT 0x0002 3319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct list_dir_struct { 3519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project FILE *f; 3619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int col; 3719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int options; 3819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 3919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", 4119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; 4219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)), 4419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int entry, 4519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_dir_entry *dirent, 4619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int offset EXT2FS_ATTR((unused)), 4719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int blocksize EXT2FS_ATTR((unused)), 4819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *buf EXT2FS_ATTR((unused)), 4919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *private) 5019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 5119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode inode; 5219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino; 5319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct tm *tm_p; 5419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project time_t modtime; 5519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char name[EXT2_NAME_LEN + 1]; 5619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char tmp[EXT2_NAME_LEN + 16]; 5719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char datestr[80]; 5819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char lbr, rbr; 5919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int thislen; 6019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct list_dir_struct *ls = (struct list_dir_struct *) private; 6119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project thislen = ((dirent->name_len & 0xFF) < EXT2_NAME_LEN) ? 6319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (dirent->name_len & 0xFF) : EXT2_NAME_LEN; 6419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project strncpy(name, dirent->name, thislen); 6519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project name[thislen] = '\0'; 6619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino = dirent->inode; 6719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (entry == DIRENT_DELETED_FILE) { 6919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project lbr = '<'; 7019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project rbr = '>'; 7119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino = 0; 7219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 7319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project lbr = rbr = ' '; 7419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 7519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ls->options & LONG_OPT) { 7619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino) { 7719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (debugfs_read_inode(ino, &inode, name)) 7819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 7919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project modtime = inode.i_mtime; 8019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project tm_p = localtime(&modtime); 8119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sprintf(datestr, "%2d-%s-%4d %02d:%02d", 8219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project tm_p->tm_mday, monstr[tm_p->tm_mon], 8319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1900 + tm_p->tm_year, tm_p->tm_hour, 8419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project tm_p->tm_min); 8519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 8619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project strcpy(datestr, " "); 8719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(&inode, 0, sizeof(struct ext2_inode)); 8819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 8919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls->f, "%c%6u%c %6o (%d) %5d %5d ", lbr, ino, rbr, 9019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode.i_mode, dirent->name_len >> 8, 9119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode_uid(inode), inode_gid(inode)); 9219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (LINUX_S_ISDIR(inode.i_mode)) 9319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls->f, "%5d", inode.i_size); 9419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 9519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls->f, "%5llu", inode.i_size | 9619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ((unsigned long long) inode.i_size_high << 32)); 9719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf (ls->f, " %s %s\n", datestr, name); 9819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 9919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sprintf(tmp, "%c%u%c (%d) %s ", lbr, dirent->inode, rbr, 10019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dirent->rec_len, name); 10119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project thislen = strlen(tmp); 10219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ls->col + thislen > 80) { 10419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls->f, "\n"); 10519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls->col = 0; 10619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 10719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls->f, "%s", tmp); 10819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls->col += thislen; 10919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 11019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 11119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 11219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 11319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectvoid do_list_dir(int argc, char *argv[]) 11419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 11519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t inode; 11619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int retval; 11719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int c; 11819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int flags; 11919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct list_dir_struct ls; 12019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls.options = 0; 12219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (check_fs_open(argv[0])) 12319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 12419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project reset_getopt(); 12619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while ((c = getopt (argc, argv, "dl")) != EOF) { 12719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project switch (c) { 12819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 'l': 12919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls.options |= LONG_OPT; 13019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 13119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 'd': 13219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls.options |= DELETED_OPT; 13319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 13419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project default: 13519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto print_usage; 13619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 13719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 13819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 13919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (argc > optind+1) { 14019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project print_usage: 14119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(0, 0, "Usage: ls [-l] [-d] file"); 14219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 14319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 14419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 14519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (argc == optind) 14619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode = cwd; 14719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 14819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode = string_to_inode(argv[optind]); 14919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!inode) 15019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 15119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 15219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls.f = open_pager(); 15319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ls.col = 0; 15419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project flags = DIRENT_FLAG_INCLUDE_EMPTY; 15519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ls.options & DELETED_OPT) 15619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project flags |= DIRENT_FLAG_INCLUDE_REMOVED; 15719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 15819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_dir_iterate2(current_fs, inode, flags, 15919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 0, list_dir_proc, &ls); 16019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(ls.f, "\n"); 16119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project close_pager(ls.f); 16219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) 16319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(argv[1], retval, 0); 16419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 16519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 16619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 16719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 16819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 169