119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * e2image.c --- Program which writes an image file backing up 319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * critical metadata for the filesystem. 419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Copyright 2000, 2001 by Theodore Ts'o. 619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %Begin-Header% 819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This file may be redistributed under the terms of the GNU Public 919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * License. 1019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %End-Header% 1119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 1219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define _LARGEFILE_SOURCE 1419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define _LARGEFILE64_SOURCE 1519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <fcntl.h> 1719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <grp.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 char *optarg; 2219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectextern int optind; 2319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 2419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <pwd.h> 2519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdio.h> 263984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef HAVE_STDLIB_H 2719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdlib.h> 283984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 2919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <string.h> 3019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <time.h> 3119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <unistd.h> 3219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <fcntl.h> 3319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <errno.h> 3419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <sys/stat.h> 3519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <sys/types.h> 3619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "ext2fs/ext2_fs.h" 3819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "ext2fs/ext2fs.h" 3919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "et/com_err.h" 4019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "uuid/uuid.h" 4119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "e2p/e2p.h" 4219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "ext2fs/e2image.h" 4319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "../version.h" 4519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "nls-enable.h" 4619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectconst char * program_name = "e2image"; 4819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectchar * device_name = NULL; 4919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void usage(void) 5119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 523984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt fprintf(stderr, _("Usage: %s [-rsI] device image_file\n"), 5319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project program_name); 5419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit (1); 5519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 5619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void write_header(int fd, struct ext2_image_hdr *hdr, int blocksize) 5819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 5919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *header_buf; 6019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int actual; 6119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project header_buf = malloc(blocksize); 6319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!header_buf) { 6419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fputs(_("Couldn't allocate header buffer\n"), stderr); 6519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 6619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 6719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (lseek(fd, 0, SEEK_SET) < 0) { 6919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror("lseek while writing header"); 7019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 7119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 7219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(header_buf, 0, blocksize); 733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 7419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (hdr) 7519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memcpy(header_buf, hdr, sizeof(struct ext2_image_hdr)); 763984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 7719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project actual = write(fd, header_buf, blocksize); 7819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (actual < 0) { 7919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror("write header"); 8019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 8119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 8219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (actual != blocksize) { 8319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(stderr, _("short write (only %d bytes) for " 8419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "writing image header"), actual); 8519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 8619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 8719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(header_buf); 8819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 8919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void write_image_file(ext2_filsys fs, int fd) 9119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 9219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_image_hdr hdr; 9319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct stat st; 9419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 9519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_header(fd, NULL, fs->blocksize); 9719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(&hdr, 0, sizeof(struct ext2_image_hdr)); 9819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.offset_super = lseek(fd, 0, SEEK_CUR); 10019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_image_super_write(fs, fd, 0); 10119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 10219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, _("while writing superblock")); 10319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 10419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 1053984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 10619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.offset_inode = lseek(fd, 0, SEEK_CUR); 10719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_image_inode_write(fs, fd, 10819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (fd != 1) ? IMAGER_FLAG_SPARSEWRITE : 0); 10919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 11019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, _("while writing inode table")); 11119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 11219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 1133984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 11419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.offset_blockmap = lseek(fd, 0, SEEK_CUR); 11519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_image_bitmap_write(fs, fd, 0); 11619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 11719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, _("while writing block bitmap")); 11819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 11919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 12019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.offset_inodemap = lseek(fd, 0, SEEK_CUR); 12219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_image_bitmap_write(fs, fd, IMAGER_FLAG_INODEMAP); 12319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 12419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, _("while writing inode bitmap")); 12519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 12619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 12719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.magic_number = EXT2_ET_MAGIC_E2IMAGE; 12919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project strcpy(hdr.magic_descriptor, "Ext2 Image 1.0"); 13019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project gethostname(hdr.fs_hostname, sizeof(hdr.fs_hostname)); 13119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project strncpy(hdr.fs_device_name, device_name, sizeof(hdr.fs_device_name)-1); 13219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.fs_device_name[sizeof(hdr.fs_device_name) - 1] = 0; 13319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.fs_blocksize = fs->blocksize; 1343984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 13519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (stat(device_name, &st) == 0) 13619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.fs_device = st.st_rdev; 13719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 13819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fstat(fd, &st) == 0) { 13919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.image_device = st.st_dev; 14019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.image_inode = st.st_ino; 14119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 14219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memcpy(hdr.fs_uuid, fs->super->s_uuid, sizeof(hdr.fs_uuid)); 14319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 14419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project hdr.image_time = time(0); 14519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_header(fd, &hdr, fs->blocksize); 14619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 14719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 14819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 14919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * These set of functions are used to write a RAW image file. 15019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 15119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectext2fs_block_bitmap meta_block_map; 15219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectext2fs_block_bitmap scramble_block_map; /* Directory blocks to be scrambled */ 15319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 15419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct process_block_struct { 15519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino; 15619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int is_dir; 15719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 15819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 15919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 16019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * These subroutines short circuits ext2fs_get_blocks and 16119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * ext2fs_check_directory; we use them since we already have the inode 16219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * structure, so there's no point in letting the ext2fs library read 16319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * the inode again. 16419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 16519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic ino_t stashed_ino = 0; 16619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic struct ext2_inode *stashed_inode; 16719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic errcode_t meta_get_blocks(ext2_filsys fs EXT2FS_ATTR((unused)), 16919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino, 17019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *blocks) 17119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 17219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int i; 1733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 17419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((ino != stashed_ino) || !stashed_inode) 17519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return EXT2_ET_CALLBACK_NOTHANDLED; 17619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 17719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i=0; i < EXT2_N_BLOCKS; i++) 17819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blocks[i] = stashed_inode->i_block[i]; 17919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 18019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 18119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1823984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic errcode_t meta_check_directory(ext2_filsys fs EXT2FS_ATTR((unused)), 18319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino) 18419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 18519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((ino != stashed_ino) || !stashed_inode) 18619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return EXT2_ET_CALLBACK_NOTHANDLED; 18719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 18819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!LINUX_S_ISDIR(stashed_inode->i_mode)) 18919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return EXT2_ET_NO_DIRECTORY; 19019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 19119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 19219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1933984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic errcode_t meta_read_inode(ext2_filsys fs EXT2FS_ATTR((unused)), 19419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino, 19519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode *inode) 19619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 19719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((ino != stashed_ino) || !stashed_inode) 19819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return EXT2_ET_CALLBACK_NOTHANDLED; 19919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *inode = *stashed_inode; 20019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 20119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 20219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 20319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void use_inode_shortcuts(ext2_filsys fs, int bool) 20419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 20519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (bool) { 20619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->get_blocks = meta_get_blocks; 20719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->check_directory = meta_check_directory; 20819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->read_inode = meta_read_inode; 20919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project stashed_ino = 0; 21019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 21119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->get_blocks = 0; 21219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->check_directory = 0; 21319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->read_inode = 0; 21419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 21519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 21619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 2173984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic int process_dir_block(ext2_filsys fs EXT2FS_ATTR((unused)), 21819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *block_nr, 2193984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), 22019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t ref_block EXT2FS_ATTR((unused)), 2213984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt int ref_offset EXT2FS_ATTR((unused)), 22219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data EXT2FS_ATTR((unused))) 22319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 22419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct *p; 22519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 22619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct process_block_struct *) priv_data; 22719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 22819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, *block_nr); 2293984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt if (scramble_block_map && p->is_dir && blockcnt >= 0) 23019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(scramble_block_map, *block_nr); 23119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 23219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 23319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 2343984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic int process_file_block(ext2_filsys fs EXT2FS_ATTR((unused)), 23519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *block_nr, 2363984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt e2_blkcnt_t blockcnt, 23719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t ref_block EXT2FS_ATTR((unused)), 2383984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt int ref_offset EXT2FS_ATTR((unused)), 23919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data EXT2FS_ATTR((unused))) 24019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 24119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (blockcnt < 0) { 24219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, *block_nr); 24319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 24419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 24519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 24619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 24719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void mark_table_blocks(ext2_filsys fs) 24819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 24919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t first_block, b; 25019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project unsigned int i,j; 2513984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 25219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project first_block = fs->super->s_first_data_block; 25319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 25419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Mark primary superblock 25519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 25619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, first_block); 2573984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 25819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 25919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Mark the primary superblock descriptors 26019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 26119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (j = 0; j < fs->desc_blocks; j++) { 26219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, 26319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_descriptor_block_loc(fs, first_block, j)); 26419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 26519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 26619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i = 0; i < fs->group_desc_count; i++) { 26719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 26819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Mark the blocks used for the inode table 26919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 27019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fs->group_desc[i].bg_inode_table) { 27119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (j = 0, b = fs->group_desc[i].bg_inode_table; 27219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project j < (unsigned) fs->inode_blocks_per_group; 27319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project j++, b++) 27419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, b); 27519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 2763984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 27719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 2783984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * Mark block used for the block bitmap 27919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 28019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fs->group_desc[i].bg_block_bitmap) { 28119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, 28219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->group_desc[i].bg_block_bitmap); 28319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 2843984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 28519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 2863984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * Mark block used for the inode bitmap 28719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 28819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fs->group_desc[i].bg_inode_bitmap) { 28919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, 29019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->group_desc[i].bg_inode_bitmap); 29119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 29219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 29319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 29419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 29519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 29619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This function returns 1 if the specified block is all zeros 29719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 29819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int check_zero_block(char *buf, int blocksize) 29919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 30019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *cp = buf; 30119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int left = blocksize; 30219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 30319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while (left > 0) { 30419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (*cp++) 30519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 30619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project left--; 30719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 30819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 1; 30919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 31019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 31119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void write_block(int fd, char *buf, int sparse_offset, 31219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int blocksize, blk_t block) 31319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 31419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int count; 31519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t err; 31619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 31719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (sparse_offset) { 31819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_LSEEK64 31919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (lseek64(fd, sparse_offset, SEEK_CUR) < 0) 32019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror("lseek"); 32119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#else 32219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (lseek(fd, sparse_offset, SEEK_CUR) < 0) 32319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror("lseek"); 32419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 32519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 32619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (blocksize) { 32719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project count = write(fd, buf, blocksize); 32819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (count != blocksize) { 32919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (count == -1) 33019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project err = errno; 33119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 33219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project err = 0; 33319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, err, "error writing block %u", 33419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project block); 33519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 33619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 33719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 33819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 33919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 34019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint name_id[256]; 34119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3423984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define EXT4_MAX_REC_LEN ((1<<16)-1) 3433984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 34419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void scramble_dir_block(ext2_filsys fs, blk_t blk, char *buf) 34519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 34619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *p, *end, *cp; 34719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_dir_entry_2 *dirent; 3483984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt unsigned int rec_len; 3493984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt int id, len; 35019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 35119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project end = buf + fs->blocksize; 35219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (p = buf; p < end-8; p += rec_len) { 35319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dirent = (struct ext2_dir_entry_2 *) p; 35419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project rec_len = dirent->rec_len; 3553984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef WORDS_BIGENDIAN 3563984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt rec_len = ext2fs_swab16(rec_len); 35719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 3583984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt if (rec_len == EXT4_MAX_REC_LEN || rec_len == 0) 3593984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt rec_len = fs->blocksize; 3603984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt else 3613984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt rec_len = (rec_len & 65532) | ((rec_len & 3) << 16); 36219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#if 0 36319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("rec_len = %d, name_len = %d\n", rec_len, dirent->name_len); 36419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 36519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (rec_len < 8 || (rec_len % 4) || 36619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (p+rec_len > end)) { 36719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("Corrupt directory block %lu: " 3683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt "bad rec_len (%d)\n", (unsigned long) blk, 36919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project rec_len); 37019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project rec_len = end - p; 3713984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt (void) ext2fs_set_rec_len(fs, rec_len, 3723984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt (struct ext2_dir_entry *) dirent); 3733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef WORDS_BIGENDIAN 3743984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt dirent->rec_len = ext2fs_swab16(dirent->rec_len); 37519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 37619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 37719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 37819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (dirent->name_len + 8 > rec_len) { 37919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("Corrupt directory block %lu: " 3803984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt "bad name_len (%d)\n", (unsigned long) blk, 38119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dirent->name_len); 38219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dirent->name_len = rec_len - 8; 38319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 38419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 38519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cp = p+8; 38619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project len = rec_len - dirent->name_len - 8; 38719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (len > 0) 38819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(cp+dirent->name_len, 0, len); 38919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (dirent->name_len==1 && cp[0] == '.') 39019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 39119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (dirent->name_len==2 && cp[0] == '.' && cp[1] == '.') 39219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 39319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 39419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(cp, 'A', dirent->name_len); 39519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project len = dirent->name_len; 39619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project id = name_id[len]++; 39719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while ((len > 0) && (id > 0)) { 39819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *cp += id % 26; 39919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project id = id / 26; 40019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cp++; 40119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project len--; 40219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 40319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 40419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 40519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 40619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void output_meta_data_blocks(ext2_filsys fs, int fd) 40719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 40819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 40919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t blk; 41019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *buf, *zero_buf; 41119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int sparse = 0; 41219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 41319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project buf = malloc(fs->blocksize); 41419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!buf) { 41519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, ENOMEM, "while allocating buffer"); 41619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 41719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 41819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project zero_buf = malloc(fs->blocksize); 41919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!zero_buf) { 42019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, ENOMEM, "while allocating buffer"); 42119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 42219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 42319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project memset(zero_buf, 0, fs->blocksize); 42419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (blk = 0; blk < fs->super->s_blocks_count; blk++) { 42519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((blk >= fs->super->s_first_data_block) && 42619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_test_block_bitmap(meta_block_map, blk)) { 42719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = io_channel_read_blk(fs->io, blk, 1, buf); 42819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 42919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, 43019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "error reading block %u", blk); 43119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 4323984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt if (scramble_block_map && 43319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_test_block_bitmap(scramble_block_map, blk)) 43419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project scramble_dir_block(fs, blk, buf); 43519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((fd != 1) && check_zero_block(buf, fs->blocksize)) 43619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto sparse_write; 43719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_block(fd, buf, sparse, fs->blocksize, blk); 43819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sparse = 0; 43919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 44019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sparse_write: 44119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fd == 1) { 44219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_block(fd, zero_buf, 0, 44319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->blocksize, blk); 44419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 44519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 44619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sparse += fs->blocksize; 44719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (sparse >= 1024*1024) { 44819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_block(fd, 0, sparse, 0, 0); 44919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sparse = 0; 45019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 45119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 45219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 45319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (sparse) 45419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_block(fd, zero_buf, sparse-1, 1, -1); 45519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(zero_buf); 45619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(buf); 45719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 45819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 45919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void write_raw_image_file(ext2_filsys fs, int fd, int scramble_flag) 46019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 46119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct pb; 46219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode inode; 46319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_inode_scan scan; 46419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino; 46519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 46619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char * block_buf; 4673984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 46819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_allocate_block_bitmap(fs, "in-use block map", 46919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project &meta_block_map); 47019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 47119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, "while allocating block bitmap"); 47219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 47319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 47419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 47519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (scramble_flag) { 47619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_allocate_block_bitmap(fs, "scramble block map", 47719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project &scramble_block_map); 47819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 4793984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt com_err(program_name, retval, 48019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "while allocating scramble block bitmap"); 48119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 48219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 48319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 4843984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 48519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project mark_table_blocks(fs); 48619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 48719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_open_inode_scan(fs, 0, &scan); 48819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 48919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, _("while opening inode scan")); 49019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 49119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 49219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 49319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project block_buf = malloc(fs->blocksize * 3); 49419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!block_buf) { 49519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, 0, "Can't allocate block buffer"); 49619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 49719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 4983984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 49919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project use_inode_shortcuts(fs, 1); 50019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project stashed_inode = &inode; 50119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while (1) { 50219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_get_next_inode(scan, &ino, &inode); 50319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) 50419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 50519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 50619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, 50719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("while getting next inode")); 50819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 50919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 51019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino == 0) 51119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 51219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!inode.i_links_count) 51319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 51419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (inode.i_file_acl) { 51519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(meta_block_map, 51619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode.i_file_acl); 51719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 51819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!ext2fs_inode_has_valid_blocks(&inode)) 51919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 5203984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 52119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project stashed_ino = ino; 52219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.ino = ino; 52319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.is_dir = LINUX_S_ISDIR(inode.i_mode); 52419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (LINUX_S_ISDIR(inode.i_mode) || 52519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (LINUX_S_ISLNK(inode.i_mode) && 52619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_inode_has_valid_blocks(&inode)) || 52719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino == fs->super->s_journal_inum) { 5283984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt retval = ext2fs_block_iterate2(fs, ino, 5293984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt BLOCK_FLAG_READ_ONLY, block_buf, 5303984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt process_dir_block, &pb); 53119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 53219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, 53319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "while iterating over inode %u", 53419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino); 53519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 53619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 53719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 5383984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt if ((inode.i_flags & EXT4_EXTENTS_FL) || 5393984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt inode.i_block[EXT2_IND_BLOCK] || 54019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode.i_block[EXT2_DIND_BLOCK] || 54119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project inode.i_block[EXT2_TIND_BLOCK]) { 54219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_block_iterate2(fs, 5433984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt ino, BLOCK_FLAG_READ_ONLY, block_buf, 54419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project process_file_block, &pb); 54519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 54619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, 54719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "while iterating over inode %u", ino); 54819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 54919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 55019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 55119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 55219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 55319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project use_inode_shortcuts(fs, 0); 55419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project output_meta_data_blocks(fs, fd); 55519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(block_buf); 55619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 55719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 55819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void install_image(char *device, char *image_fn, int raw_flag) 55919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 56019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 56119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs; 56219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int open_flag = EXT2_FLAG_IMAGE_FILE; 56319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int fd = 0; 56419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project io_manager io_ptr; 56519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project io_channel io, image_io; 56619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 56719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (raw_flag) { 56819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, 0, "Raw images cannot be installed"); 56919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 57019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 5713984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 57219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef CONFIG_TESTIO_DEBUG 5733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 5743984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt io_ptr = test_io_manager; 5753984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt test_io_backing_manager = unix_io_manager; 5763984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt } else 57719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 5783984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt io_ptr = unix_io_manager; 57919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 58019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_open (image_fn, open_flag, 0, 0, 58119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project io_ptr, &fs); 58219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 58319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err (program_name, retval, _("while trying to open %s"), 58419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project image_fn); 58519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 58619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 58719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 58819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_read_bitmaps (fs); 58919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 59019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, retval, "error reading bitmaps"); 59119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 59219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 59319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 59419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_OPEN64 59519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fd = open64(image_fn, O_RDONLY); 59619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#else 59719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fd = open(image_fn, O_RDONLY); 59819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 59919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fd < 0) { 60019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror(image_fn); 60119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 60219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 60319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6043984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt retval = io_ptr->open(device, IO_FLAG_RW, &io); 60519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 60619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(device, 0, "while opening device file"); 60719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 60819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 60919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 61019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project image_io = fs->io; 61119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 61219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_rewrite_to_io(fs, io); 61319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 61419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (lseek(fd, fs->image_header->offset_inode, SEEK_SET) < 0) { 61519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project perror("lseek"); 61619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 61719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 61819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 61919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_image_inode_read(fs, fd, 0); 62019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 62119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(image_fn, 0, "while restoring the image table"); 62219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 62319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 62419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 62519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_close (fs); 62619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit (0); 62719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 62819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 62919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint main (int argc, char ** argv) 63019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 63119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int c; 63219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 63319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs; 63419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *image_fn; 63519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int open_flag = 0; 63619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int raw_flag = 0; 63719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int install_flag = 0; 63819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int scramble_flag = 0; 63919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int fd = 0; 64019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 64119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef ENABLE_NLS 64219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project setlocale(LC_MESSAGES, ""); 64319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project setlocale(LC_CTYPE, ""); 64419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 64519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project textdomain(NLS_CAT_NAME); 64619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 64719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf (stderr, "e2image %s (%s)\n", E2FSPROGS_VERSION, 64819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project E2FSPROGS_DATE); 64919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (argc && *argv) 65019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project program_name = *argv; 65119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project add_error_table(&et_ext2_error_table); 65219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while ((c = getopt (argc, argv, "rsI")) != EOF) 65319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project switch (c) { 65419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 'r': 65519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project raw_flag++; 65619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 65719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 's': 65819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project scramble_flag++; 65919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 66019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 'I': 66119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project install_flag++; 66219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 66319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project default: 66419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project usage(); 66519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 66619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (optind != argc - 2 ) 66719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project usage(); 66819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project device_name = argv[optind]; 66919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project image_fn = argv[optind+1]; 67019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 67119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (install_flag) { 67219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project install_image(device_name, image_fn, raw_flag); 67319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit (0); 67419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 67519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 67619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_open (device_name, open_flag, 0, 0, 67719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project unix_io_manager, &fs); 67819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 67919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err (program_name, retval, _("while trying to open %s"), 68019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project device_name); 68119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fputs(_("Couldn't find valid filesystem superblock.\n"), stdout); 68219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 68319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 68419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 68519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (strcmp(image_fn, "-") == 0) 68619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fd = 1; 68719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else { 68819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_OPEN64 68919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fd = open64(image_fn, O_CREAT|O_TRUNC|O_WRONLY, 0600); 69019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#else 69119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fd = open(image_fn, O_CREAT|O_TRUNC|O_WRONLY, 0600); 69219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 69319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fd < 0) { 69419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err(program_name, errno, 69519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("while trying to open %s"), argv[optind+1]); 69619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 69719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 69819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 69919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 70019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (raw_flag) 70119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_raw_image_file(fs, fd, scramble_flag); 70219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 70319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project write_image_file(fs, fd); 70419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 70519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_close (fs); 70619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project remove_error_table(&et_ext2_error_table); 70719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit (0); 70819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 709