unsquashfs.c revision 99c8abf4de4297b3159355a0cefe9ad6f5182827
12f60990fb0352f7a30e0281a066458dbf033618bplougher/* 2e3206fad5b70e7e0527db2a627ad26616a8a2429plougher * Unsquash a squashfs filesystem. This is a highly compressed read only 3e3206fad5b70e7e0527db2a627ad26616a8a2429plougher * filesystem. 4443c15812032991c98b33b5424b17bcd55fe3575plougher * 58d4404d1f63a558f4903eb8c939bd4306a805d0fplougher * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 679df93becb68081effabebba3006c794be308598plougher * Phillip Lougher <phillip@lougher.demon.co.uk> 7443c15812032991c98b33b5424b17bcd55fe3575plougher * 8443c15812032991c98b33b5424b17bcd55fe3575plougher * This program is free software; you can redistribute it and/or 9443c15812032991c98b33b5424b17bcd55fe3575plougher * modify it under the terms of the GNU General Public License 10443c15812032991c98b33b5424b17bcd55fe3575plougher * as published by the Free Software Foundation; either version 2, 11443c15812032991c98b33b5424b17bcd55fe3575plougher * or (at your option) any later version. 12443c15812032991c98b33b5424b17bcd55fe3575plougher * 13443c15812032991c98b33b5424b17bcd55fe3575plougher * This program is distributed in the hope that it will be useful, 14443c15812032991c98b33b5424b17bcd55fe3575plougher * but WITHOUT ANY WARRANTY; without even the implied warranty of 15443c15812032991c98b33b5424b17bcd55fe3575plougher * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16443c15812032991c98b33b5424b17bcd55fe3575plougher * GNU General Public License for more details. 17443c15812032991c98b33b5424b17bcd55fe3575plougher * 18443c15812032991c98b33b5424b17bcd55fe3575plougher * You should have received a copy of the GNU General Public License 19443c15812032991c98b33b5424b17bcd55fe3575plougher * along with this program; if not, write to the Free Software 20443c15812032991c98b33b5424b17bcd55fe3575plougher * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21443c15812032991c98b33b5424b17bcd55fe3575plougher * 22ed5124f016834932db2c63d60d259d846171c216plougher * unsquashfs.c 23443c15812032991c98b33b5424b17bcd55fe3575plougher */ 24443c15812032991c98b33b5424b17bcd55fe3575plougher 25ed5124f016834932db2c63d60d259d846171c216plougher#include "unsquashfs.h" 266490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "squashfs_swap.h" 276490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "squashfs_compat.h" 286490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "read_fs.h" 29efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher#include "compressor.h" 302ef25cb004cc6995bd36f781863aa844fe8c358dplougher#include "xattr.h" 318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 32cdebd2b8ae4b1ac39eefb5f0c556f0d2e3dc3d24plougher#include <sys/sysinfo.h> 332ef25cb004cc6995bd36f781863aa844fe8c358dplougher#include <sys/types.h> 34cdebd2b8ae4b1ac39eefb5f0c556f0d2e3dc3d24plougher 358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache *fragment_cache, *data_cache; 368888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct queue *to_reader, *to_deflate, *to_writer, *from_writer; 378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherpthread_t *thread, *deflator_thread; 388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherpthread_mutex_t fragment_mutex; 398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* user options that control parallelisation */ 418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherint processors = -1; 428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 436490378e5b5e8dc058daf28423a7465699a6ba7bplougherstruct super_block sBlk; 4402bc3bcabf2b219f63961f07293b83629948f026ploughersquashfs_operations s_ops; 45efda88fd6fbb19543a86b5f8d15b437bba8c4674plougherstruct compressor *comp; 4602bc3bcabf2b219f63961f07293b83629948f026plougher 479dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint bytes = 0, swap, file_count = 0, dir_count = 0, sym_count = 0, 489dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher dev_count = 0, fifo_count = 0; 49443c15812032991c98b33b5424b17bcd55fe3575plougherchar *inode_table = NULL, *directory_table = NULL; 50443c15812032991c98b33b5424b17bcd55fe3575plougherstruct hash_table_entry *inode_table_hash[65536], *directory_table_hash[65536]; 51443c15812032991c98b33b5424b17bcd55fe3575plougherint fd; 52443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int *uid_table, *guid_table; 53443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int cached_frag = SQUASHFS_INVALID_FRAG; 54443c15812032991c98b33b5424b17bcd55fe3575plougherchar *fragment_data; 55443c15812032991c98b33b5424b17bcd55fe3575plougherchar *file_data; 56443c15812032991c98b33b5424b17bcd55fe3575plougherchar *data; 57443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int block_size; 58ae271cc93e3684d5314bcdc45b631e497ae43166plougherunsigned int block_log; 59d4204758f77acb5a371fa1487a755b76a05d5476plougherint lsonly = FALSE, info = FALSE, force = FALSE, short_ls = TRUE; 60d4204758f77acb5a371fa1487a755b76a05d5476plougherint use_regex = FALSE; 61443c15812032991c98b33b5424b17bcd55fe3575plougherchar **created_inode; 629dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint root_process; 63eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherint columns; 64eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherint rotate = 0; 651b42101056befe25b5f19d5b099e806a2ecee9cdplougherpthread_mutex_t screen_mutex; 66eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherpthread_cond_t progress_wait; 671b42101056befe25b5f19d5b099e806a2ecee9cdplougherint progress = TRUE, progress_enabled = FALSE; 68eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherunsigned int total_blocks = 0, total_files = 0, total_inodes = 0; 69eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherunsigned int cur_blocks = 0; 70ed5124f016834932db2c63d60d259d846171c216plougherint inode_number = 1; 71df9d38a515489c2c573754ad81abd230dfd8b1f0plougherint no_xattrs = XATTR_DEF; 72443c15812032991c98b33b5424b17bcd55fe3575plougher 73476dcb48b24efff22caa970f000e151f1b28918dplougherint lookup_type[] = { 74476dcb48b24efff22caa970f000e151f1b28918dplougher 0, 75476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFDIR, 76476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFREG, 77476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFLNK, 78476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFBLK, 79476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFCHR, 80476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFIFO, 81476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFSOCK, 82476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFDIR, 83eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFREG, 84eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFLNK, 85eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFBLK, 86eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFCHR, 87eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFIFO, 88eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFSOCK 89476dcb48b24efff22caa970f000e151f1b28918dplougher}; 90476dcb48b24efff22caa970f000e151f1b28918dplougher 91476dcb48b24efff22caa970f000e151f1b28918dplougherstruct test table[] = { 92476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFSOCK, 0, 's' }, 93476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFLNK, 0, 'l' }, 94476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFBLK, 0, 'b' }, 95476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFDIR, 0, 'd' }, 96476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFCHR, 0, 'c' }, 97476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFIFO, 0, 'p' }, 98476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IRUSR, S_IRUSR, 1, 'r' }, 99476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWUSR, S_IWUSR, 2, 'w' }, 100476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IRGRP, S_IRGRP, 4, 'r' }, 101476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWGRP, S_IWGRP, 5, 'w' }, 102476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IROTH, S_IROTH, 7, 'r' }, 103476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWOTH, S_IWOTH, 8, 'w' }, 104476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_IXUSR | S_ISUID, 3, 's' }, 105476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_ISUID, 3, 'S' }, 106476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_IXUSR, 3, 'x' }, 107476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_IXGRP | S_ISGID, 6, 's' }, 108476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_ISGID, 6, 'S' }, 109476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_IXGRP, 6, 'x' }, 110476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_IXOTH | S_ISVTX, 9, 't' }, 111476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_ISVTX, 9, 'T' }, 112476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_IXOTH, 9, 'x' }, 1138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher { 0, 0, 0, 0} 1148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher}; 1158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 116eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid progress_bar(long long current, long long max, int columns); 117eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid update_progress_bar(); 118eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 119eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid sigwinch_handler() 120eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 121eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct winsize winsize; 122eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 123eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(ioctl(1, TIOCGWINSZ, &winsize) == -1) { 124c27a3d72b339d80d38623a4ee5a42601338fb4c9plougher if(isatty(STDOUT_FILENO)) 125d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("TIOCGWINSZ ioctl failed, defaulting to 80 " 126d4204758f77acb5a371fa1487a755b76a05d5476plougher "columns\n"); 127eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher columns = 80; 128eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } else 129eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher columns = winsize.ws_col; 130eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 131eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1331b5f6c5145f284683a2628b73ab5f8a0e37dd7b4ploughervoid sigalrm_handler() 1341b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher{ 1351b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher rotate = (rotate + 1) % 4; 1361b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher} 1371b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 1381b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 1398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct queue *queue_init(int size) 1408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct queue *queue = malloc(sizeof(struct queue)); 1428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1438888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(queue == NULL) 14462b2d7649ad84234afd928a43f9a2c1612eef361plougher EXIT_UNSQUASH("Out of memory in queue_init\n"); 1458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1460e0cc6f6dccdc5460c292b0a5accc1184a07f3f5plougher if((queue->data = malloc(sizeof(void *) * (size + 1))) == NULL) 1470e0cc6f6dccdc5460c292b0a5accc1184a07f3f5plougher EXIT_UNSQUASH("Out of memory in queue_init\n"); 1488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->size = size + 1; 1508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->readp = queue->writep = 0; 1518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&queue->mutex, NULL); 1528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&queue->empty, NULL); 1538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&queue->full, NULL); 1548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return queue; 1568888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1578888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1588888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1598888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid queue_put(struct queue *queue, void *data) 1608888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1618888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int nextp; 1628888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1638888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&queue->mutex); 1648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while((nextp = (queue->writep + 1) % queue->size) == queue->readp) 1668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_wait(&queue->full, &queue->mutex); 1678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->data[queue->writep] = data; 1698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->writep = nextp; 1708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_signal(&queue->empty); 1718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&queue->mutex); 1728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1758888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *queue_get(struct queue *queue) 1768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher void *data; 1788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&queue->mutex); 1798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(queue->readp == queue->writep) 1818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_wait(&queue->empty, &queue->mutex); 1828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher data = queue->data[queue->readp]; 1848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->readp = (queue->readp + 1) % queue->size; 1858888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_signal(&queue->full); 1868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&queue->mutex); 1878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return data; 1898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 1938888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid insert_hash_table(struct cache *cache, struct cache_entry *entry) 1948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hash = CALCULATE_HASH(entry->block); 1968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next = cache->hash_table[hash]; 1988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->hash_table[hash] = entry; 1998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev = NULL; 2008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_next) 2018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next->hash_prev = entry; 2028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2068888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid remove_hash_table(struct cache *cache, struct cache_entry *entry) 2078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_prev) 2098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev->hash_next = entry->hash_next; 2108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else 211c435240f52b78b0ef498118727ba8dad186db26bplougher cache->hash_table[CALCULATE_HASH(entry->block)] = 212c435240f52b78b0ef498118727ba8dad186db26bplougher entry->hash_next; 2138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_next) 2148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next->hash_prev = entry->hash_prev; 2158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev = entry->hash_next = NULL; 2178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2218888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid insert_free_list(struct cache *cache, struct cache_entry *entry) 2228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->free_list) { 2248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_next = cache->free_list; 2258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = cache->free_list->free_prev; 2268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list->free_prev->free_next = entry; 2278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list->free_prev = entry; 2288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 2298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = entry; 2308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = entry; 2318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 2328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2368888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid remove_free_list(struct cache *cache, struct cache_entry *entry) 2378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->free_prev == NULL && entry->free_next == NULL) 2398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* not in free list */ 2408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return; 241222e49e257bccb10c0e608f071778f26fce28f01plougher else if(entry->free_prev == entry && entry->free_next == entry) { 2428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* only this entry in the free list */ 2438888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = NULL; 2448888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 2458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* more than one entry in the free list */ 2468888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_next->free_prev = entry->free_prev; 2478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev->free_next = entry->free_next; 2488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->free_list == entry) 2498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = entry->free_next; 2508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 2518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = NULL; 2538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2568888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache *cache_init(int buffer_size, int max_buffers) 2578888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2588888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache *cache = malloc(sizeof(struct cache)); 2598888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2608888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache == NULL) 261360570574b8f7786728d91d5fe4a0a4aa291fa03plougher EXIT_UNSQUASH("Out of memory in cache_init\n"); 2628888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2638888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->max_buffers = max_buffers; 2648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->buffer_size = buffer_size; 2658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->count = 0; 2668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = NULL; 2678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher memset(cache->hash_table, 0, sizeof(struct cache_entry *) * 65536); 2688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_free = FALSE; 2698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_pending = FALSE; 2708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&cache->mutex, NULL); 2718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&cache->wait_for_free, NULL); 2728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&cache->wait_for_pending, NULL); 2738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return cache; 2758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache_entry *cache_get(struct cache *cache, long long block, int size) 2798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 280d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 281d4204758f77acb5a371fa1487a755b76a05d5476plougher * Get a block out of the cache. If the block isn't in the cache 282d4204758f77acb5a371fa1487a755b76a05d5476plougher * it is added and queued to the reader() and deflate() threads for 283c435240f52b78b0ef498118727ba8dad186db26bplougher * reading off disk and decompression. The cache grows until max_blocks 284c435240f52b78b0ef498118727ba8dad186db26bplougher * is reached, once this occurs existing discarded blocks on the free 285c435240f52b78b0ef498118727ba8dad186db26bplougher * list are reused 286d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 2878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hash = CALCULATE_HASH(block); 2888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry; 2898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&cache->mutex); 2918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher for(entry = cache->hash_table[hash]; entry; entry = entry->hash_next) 2938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->block == block) 2948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher break; 2958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry) { 297d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 2980a0d045642e8e413f90b770539193d3fd1522786plougher * found the block in the cache, increment used count and 2998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * if necessary remove from free list so it won't disappear 3008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher */ 3018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used ++; 3028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_free_list(cache, entry); 3038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&cache->mutex); 3048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 305d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 306d4204758f77acb5a371fa1487a755b76a05d5476plougher * not in the cache 307d4204758f77acb5a371fa1487a755b76a05d5476plougher * 308d4204758f77acb5a371fa1487a755b76a05d5476plougher * first try to allocate new block 309d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->count < cache->max_buffers) { 3118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry = malloc(sizeof(struct cache_entry)); 3128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry == NULL) 3137227416360c2f249a0783dffef6725ad03b61c99plougher EXIT_UNSQUASH("Out of memory in cache_get\n"); 3148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->data = malloc(cache->buffer_size); 3157227416360c2f249a0783dffef6725ad03b61c99plougher if(entry->data == NULL) 3167227416360c2f249a0783dffef6725ad03b61c99plougher EXIT_UNSQUASH("Out of memory in cache_get\n"); 3178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache = cache; 3188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = NULL; 3198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->count ++; 3208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 321d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 322d4204758f77acb5a371fa1487a755b76a05d5476plougher * try to get from free list 323d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(cache->free_list == NULL) { 3258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_free = TRUE; 326d4204758f77acb5a371fa1487a755b76a05d5476plougher pthread_cond_wait(&cache->wait_for_free, 327d4204758f77acb5a371fa1487a755b76a05d5476plougher &cache->mutex); 3288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry = cache->free_list; 3308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_free_list(cache, entry); 3318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_hash_table(cache, entry); 3328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 334d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 335d4204758f77acb5a371fa1487a755b76a05d5476plougher * initialise block and insert into the hash table 336d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->block = block; 3388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->size = size; 3398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used = 1; 3408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->error = FALSE; 3418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->pending = TRUE; 3428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher insert_hash_table(cache, entry); 3438888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 344d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 345c435240f52b78b0ef498118727ba8dad186db26bplougher * queue to read thread to read and ultimately (via the 346c435240f52b78b0ef498118727ba8dad186db26bplougher * decompress threads) decompress the buffer 3478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher */ 3488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&cache->mutex); 3498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_reader, entry); 3508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return entry; 3538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3568888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_ready(struct cache_entry *entry, int error) 3578888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 358d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 359d4204758f77acb5a371fa1487a755b76a05d5476plougher * mark cache entry as being complete, reading and (if necessary) 3608888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * decompression has taken place, and the buffer is valid for use. 3618888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * If an error occurs reading or decompressing, the buffer also 362d4204758f77acb5a371fa1487a755b76a05d5476plougher * becomes ready but with an error... 363d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 3658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->pending = FALSE; 3668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->error = error; 3678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 368d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 369c435240f52b78b0ef498118727ba8dad186db26bplougher * if the wait_pending flag is set, one or more threads may be waiting 370c435240f52b78b0ef498118727ba8dad186db26bplougher * on this buffer 371d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->cache->wait_pending) { 3738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_pending = FALSE; 3748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_broadcast(&entry->cache->wait_for_pending); 3758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 3788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3818888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_wait(struct cache_entry *entry) 3828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 383d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 384d4204758f77acb5a371fa1487a755b76a05d5476plougher * wait for this cache entry to become ready, when reading and (if 385d4204758f77acb5a371fa1487a755b76a05d5476plougher * necessary) decompression has taken place 386d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 3888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(entry->pending) { 3908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_pending = TRUE; 391d4204758f77acb5a371fa1487a755b76a05d5476plougher pthread_cond_wait(&entry->cache->wait_for_pending, 392d4204758f77acb5a371fa1487a755b76a05d5476plougher &entry->cache->mutex); 3938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 3968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3998888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_put(struct cache_entry *entry) 4008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 401d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 402d4204758f77acb5a371fa1487a755b76a05d5476plougher * finished with this cache entry, once the usage count reaches zero it 403c435240f52b78b0ef498118727ba8dad186db26bplougher * can be reused and is put onto the free list. As it remains 404c435240f52b78b0ef498118727ba8dad186db26bplougher * accessible via the hash table it can be found getting a new lease of 405c435240f52b78b0ef498118727ba8dad186db26bplougher * life before it is reused. 406d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 4078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 4088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 4098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used --; 4108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->used == 0) { 4118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher insert_free_list(entry->cache, entry); 4128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 413d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 414c435240f52b78b0ef498118727ba8dad186db26bplougher * if the wait_free flag is set, one or more threads may be 415c435240f52b78b0ef498118727ba8dad186db26bplougher * waiting on this buffer 416d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 4178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->cache->wait_free) { 4188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_free = FALSE; 4198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_broadcast(&entry->cache->wait_for_free); 4208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 4218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 4228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 4238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 4248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 425476dcb48b24efff22caa970f000e151f1b28918dplougher 426476dcb48b24efff22caa970f000e151f1b28918dplougher 427476dcb48b24efff22caa970f000e151f1b28918dplougherchar *modestr(char *str, int mode) 428476dcb48b24efff22caa970f000e151f1b28918dplougher{ 429476dcb48b24efff22caa970f000e151f1b28918dplougher int i; 430476dcb48b24efff22caa970f000e151f1b28918dplougher 431476dcb48b24efff22caa970f000e151f1b28918dplougher strcpy(str, "----------"); 432476dcb48b24efff22caa970f000e151f1b28918dplougher 433476dcb48b24efff22caa970f000e151f1b28918dplougher for(i = 0; table[i].mask != 0; i++) { 434476dcb48b24efff22caa970f000e151f1b28918dplougher if((mode & table[i].mask) == table[i].value) 435476dcb48b24efff22caa970f000e151f1b28918dplougher str[table[i].position] = table[i].mode; 436476dcb48b24efff22caa970f000e151f1b28918dplougher } 437476dcb48b24efff22caa970f000e151f1b28918dplougher 438476dcb48b24efff22caa970f000e151f1b28918dplougher return str; 439476dcb48b24efff22caa970f000e151f1b28918dplougher} 440476dcb48b24efff22caa970f000e151f1b28918dplougher 441476dcb48b24efff22caa970f000e151f1b28918dplougher 4423edfa57b6a463f7d441d995559143f4861d62e98plougher#define TOTALCHARS 25 4436f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougherint print_filename(char *pathname, struct inode *inode) 444476dcb48b24efff22caa970f000e151f1b28918dplougher{ 4456f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher char str[11], dummy[100], dummy2[100], *userstr, *groupstr; 4466f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher int padchars; 447476dcb48b24efff22caa970f000e151f1b28918dplougher struct passwd *user; 448476dcb48b24efff22caa970f000e151f1b28918dplougher struct group *group; 44988facddfd83e48a907b82210ddccbb4f84d80aecplougher struct tm *t; 450476dcb48b24efff22caa970f000e151f1b28918dplougher 451476dcb48b24efff22caa970f000e151f1b28918dplougher if(short_ls) { 452476dcb48b24efff22caa970f000e151f1b28918dplougher printf("%s\n", pathname); 453476dcb48b24efff22caa970f000e151f1b28918dplougher return 1; 454476dcb48b24efff22caa970f000e151f1b28918dplougher } 455476dcb48b24efff22caa970f000e151f1b28918dplougher 4566f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((user = getpwuid(inode->uid)) == NULL) { 4576f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher sprintf(dummy, "%d", inode->uid); 4583edfa57b6a463f7d441d995559143f4861d62e98plougher userstr = dummy; 4593edfa57b6a463f7d441d995559143f4861d62e98plougher } else 4603edfa57b6a463f7d441d995559143f4861d62e98plougher userstr = user->pw_name; 4613edfa57b6a463f7d441d995559143f4861d62e98plougher 4626f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((group = getgrgid(inode->gid)) == NULL) { 4636f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher sprintf(dummy2, "%d", inode->gid); 4643edfa57b6a463f7d441d995559143f4861d62e98plougher groupstr = dummy2; 4653edfa57b6a463f7d441d995559143f4861d62e98plougher } else 4663edfa57b6a463f7d441d995559143f4861d62e98plougher groupstr = group->gr_name; 4673edfa57b6a463f7d441d995559143f4861d62e98plougher 4686f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher printf("%s %s/%s ", modestr(str, inode->mode), userstr, groupstr); 4693edfa57b6a463f7d441d995559143f4861d62e98plougher 4706f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher switch(inode->mode & S_IFMT) { 4713edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFREG: 4723edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFDIR: 4733edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFSOCK: 4743edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFIFO: 4753edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFLNK: 476c435240f52b78b0ef498118727ba8dad186db26bplougher padchars = TOTALCHARS - strlen(userstr) - 477c435240f52b78b0ef498118727ba8dad186db26bplougher strlen(groupstr); 4783edfa57b6a463f7d441d995559143f4861d62e98plougher 479c435240f52b78b0ef498118727ba8dad186db26bplougher printf("%*lld ", padchars > 0 ? padchars : 0, 480c435240f52b78b0ef498118727ba8dad186db26bplougher inode->data); 4813edfa57b6a463f7d441d995559143f4861d62e98plougher break; 4823edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFCHR: 4833edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFBLK: 484c435240f52b78b0ef498118727ba8dad186db26bplougher padchars = TOTALCHARS - strlen(userstr) - 485c435240f52b78b0ef498118727ba8dad186db26bplougher strlen(groupstr) - 7; 4863edfa57b6a463f7d441d995559143f4861d62e98plougher 487d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("%*s%3d,%3d ", padchars > 0 ? padchars : 0, " ", 488c435240f52b78b0ef498118727ba8dad186db26bplougher (int) inode->data >> 8, (int) inode->data & 489c435240f52b78b0ef498118727ba8dad186db26bplougher 0xff); 4903edfa57b6a463f7d441d995559143f4861d62e98plougher break; 4913edfa57b6a463f7d441d995559143f4861d62e98plougher } 492476dcb48b24efff22caa970f000e151f1b28918dplougher 4936f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher t = localtime(&inode->time); 49488facddfd83e48a907b82210ddccbb4f84d80aecplougher 495d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("%d-%02d-%02d %02d:%02d %s", t->tm_year + 1900, t->tm_mon + 1, 496d4204758f77acb5a371fa1487a755b76a05d5476plougher t->tm_mday, t->tm_hour, t->tm_min, pathname); 4976f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((inode->mode & S_IFMT) == S_IFLNK) 4986f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher printf(" -> %s", inode->symlink); 4993edfa57b6a463f7d441d995559143f4861d62e98plougher printf("\n"); 5003edfa57b6a463f7d441d995559143f4861d62e98plougher 501476dcb48b24efff22caa970f000e151f1b28918dplougher return 1; 502476dcb48b24efff22caa970f000e151f1b28918dplougher} 503476dcb48b24efff22caa970f000e151f1b28918dplougher 504443c15812032991c98b33b5424b17bcd55fe3575plougher 505e3206fad5b70e7e0527db2a627ad26616a8a2429ploughervoid add_entry(struct hash_table_entry *hash_table[], long long start, 506e3206fad5b70e7e0527db2a627ad26616a8a2429plougher int bytes) 507443c15812032991c98b33b5424b17bcd55fe3575plougher{ 508443c15812032991c98b33b5424b17bcd55fe3575plougher int hash = CALCULATE_HASH(start); 509443c15812032991c98b33b5424b17bcd55fe3575plougher struct hash_table_entry *hash_table_entry; 510443c15812032991c98b33b5424b17bcd55fe3575plougher 5114a39fa82d4614c18d2977be7898d78d20ba01a49plougher if((hash_table_entry = malloc(sizeof(struct hash_table_entry))) == NULL) 5124a39fa82d4614c18d2977be7898d78d20ba01a49plougher EXIT_UNSQUASH("Out of memory in add_entry\n"); 513443c15812032991c98b33b5424b17bcd55fe3575plougher 514443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->start = start; 515443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->bytes = bytes; 516443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->next = hash_table[hash]; 517443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table[hash] = hash_table_entry; 518443c15812032991c98b33b5424b17bcd55fe3575plougher} 519443c15812032991c98b33b5424b17bcd55fe3575plougher 520443c15812032991c98b33b5424b17bcd55fe3575plougher 521f404f4914fdb272a70e18664e8963d793cc90f44plougherint lookup_entry(struct hash_table_entry *hash_table[], long long start) 522443c15812032991c98b33b5424b17bcd55fe3575plougher{ 523443c15812032991c98b33b5424b17bcd55fe3575plougher int hash = CALCULATE_HASH(start); 524443c15812032991c98b33b5424b17bcd55fe3575plougher struct hash_table_entry *hash_table_entry; 525443c15812032991c98b33b5424b17bcd55fe3575plougher 5269dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher for(hash_table_entry = hash_table[hash]; hash_table_entry; 5279dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher hash_table_entry = hash_table_entry->next) 5287a5df5d70c02bdb5175a5b9301c2c9597a6a4937plougher 529443c15812032991c98b33b5424b17bcd55fe3575plougher if(hash_table_entry->start == start) 530443c15812032991c98b33b5424b17bcd55fe3575plougher return hash_table_entry->bytes; 531443c15812032991c98b33b5424b17bcd55fe3575plougher 532443c15812032991c98b33b5424b17bcd55fe3575plougher return -1; 533443c15812032991c98b33b5424b17bcd55fe3575plougher} 534443c15812032991c98b33b5424b17bcd55fe3575plougher 535443c15812032991c98b33b5424b17bcd55fe3575plougher 5363306cb2b54a60a32664617118336ac141e1471b6plougherint read_fs_bytes(int fd, long long byte, int bytes, void *buff) 537443c15812032991c98b33b5424b17bcd55fe3575plougher{ 538443c15812032991c98b33b5424b17bcd55fe3575plougher off_t off = byte; 539d7f3de3408089ce187d8bc26f6072730c77628daplougher int res, count; 540443c15812032991c98b33b5424b17bcd55fe3575plougher 541c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("read_bytes: reading from position 0x%llx, bytes %d\n", byte, 542c435240f52b78b0ef498118727ba8dad186db26bplougher bytes); 543fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 544443c15812032991c98b33b5424b17bcd55fe3575plougher if(lseek(fd, off, SEEK_SET) == -1) { 5455d415c6659faaa7a69c9baa7175610d889747142plougher ERROR("Lseek failed because %s\n", strerror(errno)); 546443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 547443c15812032991c98b33b5424b17bcd55fe3575plougher } 548443c15812032991c98b33b5424b17bcd55fe3575plougher 549d7f3de3408089ce187d8bc26f6072730c77628daplougher for(count = 0; count < bytes; count += res) { 550d7f3de3408089ce187d8bc26f6072730c77628daplougher res = read(fd, buff + count, bytes - count); 551d7f3de3408089ce187d8bc26f6072730c77628daplougher if(res < 1) { 552d7f3de3408089ce187d8bc26f6072730c77628daplougher if(res == 0) { 553e3206fad5b70e7e0527db2a627ad26616a8a2429plougher ERROR("Read on filesystem failed because " 554e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "EOF\n"); 555d7f3de3408089ce187d8bc26f6072730c77628daplougher return FALSE; 556d7f3de3408089ce187d8bc26f6072730c77628daplougher } else if(errno != EINTR) { 557d7f3de3408089ce187d8bc26f6072730c77628daplougher ERROR("Read on filesystem failed because %s\n", 558d7f3de3408089ce187d8bc26f6072730c77628daplougher strerror(errno)); 559d7f3de3408089ce187d8bc26f6072730c77628daplougher return FALSE; 560d7f3de3408089ce187d8bc26f6072730c77628daplougher } else 561d7f3de3408089ce187d8bc26f6072730c77628daplougher res = 0; 562d7f3de3408089ce187d8bc26f6072730c77628daplougher } 563443c15812032991c98b33b5424b17bcd55fe3575plougher } 564443c15812032991c98b33b5424b17bcd55fe3575plougher 565443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 566443c15812032991c98b33b5424b17bcd55fe3575plougher} 567443c15812032991c98b33b5424b17bcd55fe3575plougher 568443c15812032991c98b33b5424b17bcd55fe3575plougher 569923b301e304637fd5e587eb05a6f44558abae2bdplougherint read_block(int fd, long long start, long long *next, void *block) 570443c15812032991c98b33b5424b17bcd55fe3575plougher{ 571443c15812032991c98b33b5424b17bcd55fe3575plougher unsigned short c_byte; 572443c15812032991c98b33b5424b17bcd55fe3575plougher int offset = 2; 573443c15812032991c98b33b5424b17bcd55fe3575plougher 574443c15812032991c98b33b5424b17bcd55fe3575plougher if(swap) { 575923b301e304637fd5e587eb05a6f44558abae2bdplougher if(read_fs_bytes(fd, start, 2, &c_byte) == FALSE) 576fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 577923b301e304637fd5e587eb05a6f44558abae2bdplougher c_byte = (c_byte >> 8) | ((c_byte & 0xff) << 8); 578443c15812032991c98b33b5424b17bcd55fe3575plougher } else 5793306cb2b54a60a32664617118336ac141e1471b6plougher if(read_fs_bytes(fd, start, 2, &c_byte) == FALSE) 580fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 581fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 582d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("read_block: block @0x%llx, %d %s bytes\n", start, 583d4204758f77acb5a371fa1487a755b76a05d5476plougher SQUASHFS_COMPRESSED_SIZE(c_byte), SQUASHFS_COMPRESSED(c_byte) ? 584d4204758f77acb5a371fa1487a755b76a05d5476plougher "compressed" : "uncompressed"); 585443c15812032991c98b33b5424b17bcd55fe3575plougher 58627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(SQUASHFS_CHECK_DATA(sBlk.s.flags)) 587443c15812032991c98b33b5424b17bcd55fe3575plougher offset = 3; 588443c15812032991c98b33b5424b17bcd55fe3575plougher if(SQUASHFS_COMPRESSED(c_byte)) { 589443c15812032991c98b33b5424b17bcd55fe3575plougher char buffer[SQUASHFS_METADATA_SIZE]; 590efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 591443c15812032991c98b33b5424b17bcd55fe3575plougher 592443c15812032991c98b33b5424b17bcd55fe3575plougher c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte); 59386561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start + offset, c_byte, buffer) == FALSE) 594fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 595443c15812032991c98b33b5424b17bcd55fe3575plougher 596efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(block, buffer, c_byte, 597efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher SQUASHFS_METADATA_SIZE, &error); 598efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 599efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) { 600efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 601efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 602fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 603443c15812032991c98b33b5424b17bcd55fe3575plougher } 604443c15812032991c98b33b5424b17bcd55fe3575plougher if(next) 605443c15812032991c98b33b5424b17bcd55fe3575plougher *next = start + offset + c_byte; 606efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher return res; 607443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 608443c15812032991c98b33b5424b17bcd55fe3575plougher c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte); 60986561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start + offset, c_byte, block) == FALSE) 610fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 611443c15812032991c98b33b5424b17bcd55fe3575plougher if(next) 612443c15812032991c98b33b5424b17bcd55fe3575plougher *next = start + offset + c_byte; 613443c15812032991c98b33b5424b17bcd55fe3575plougher return c_byte; 614443c15812032991c98b33b5424b17bcd55fe3575plougher } 615fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 616fe3ca0609d02d78bcd11637c1220b2ff428f466aplougherfailed: 61768ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher ERROR("read_block: failed to read block @0x%llx\n", start); 618fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher return FALSE; 619443c15812032991c98b33b5424b17bcd55fe3575plougher} 620443c15812032991c98b33b5424b17bcd55fe3575plougher 621443c15812032991c98b33b5424b17bcd55fe3575plougher 622443c15812032991c98b33b5424b17bcd55fe3575plougherint read_data_block(long long start, unsigned int size, char *block) 623443c15812032991c98b33b5424b17bcd55fe3575plougher{ 624efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 625443c15812032991c98b33b5424b17bcd55fe3575plougher int c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(size); 626443c15812032991c98b33b5424b17bcd55fe3575plougher 627d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("read_data_block: block @0x%llx, %d %s bytes\n", start, 628c6ab26edb0c0da6b276281960d9c8748a70886feplougher c_byte, SQUASHFS_COMPRESSED_BLOCK(size) ? "compressed" : 629c435240f52b78b0ef498118727ba8dad186db26bplougher "uncompressed"); 630fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 631443c15812032991c98b33b5424b17bcd55fe3575plougher if(SQUASHFS_COMPRESSED_BLOCK(size)) { 63286561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start, c_byte, data) == FALSE) 63368ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 634443c15812032991c98b33b5424b17bcd55fe3575plougher 635efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(block, data, c_byte, block_size, &error); 636efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 637efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) { 638efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 639efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 64068ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 641443c15812032991c98b33b5424b17bcd55fe3575plougher } 642443c15812032991c98b33b5424b17bcd55fe3575plougher 643efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher return res; 644443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 64586561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start, c_byte, block) == FALSE) 64668ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 647443c15812032991c98b33b5424b17bcd55fe3575plougher 648443c15812032991c98b33b5424b17bcd55fe3575plougher return c_byte; 649443c15812032991c98b33b5424b17bcd55fe3575plougher } 65068ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher 65168ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougherfailed: 652d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("read_data_block: failed to read block @0x%llx, size %d\n", start, 653c6ab26edb0c0da6b276281960d9c8748a70886feplougher c_byte); 65468ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher return FALSE; 655443c15812032991c98b33b5424b17bcd55fe3575plougher} 656443c15812032991c98b33b5424b17bcd55fe3575plougher 657443c15812032991c98b33b5424b17bcd55fe3575plougher 65802bc3bcabf2b219f63961f07293b83629948f026ploughervoid uncompress_inode_table(long long start, long long end) 659443c15812032991c98b33b5424b17bcd55fe3575plougher{ 660443c15812032991c98b33b5424b17bcd55fe3575plougher int size = 0, bytes = 0, res; 661443c15812032991c98b33b5424b17bcd55fe3575plougher 66241da3230b2ac91a73f9190676f66b3d80b21c270plougher TRACE("uncompress_inode_table: start %lld, end %lld\n", start, end); 663443c15812032991c98b33b5424b17bcd55fe3575plougher while(start < end) { 664c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher if(size - bytes < SQUASHFS_METADATA_SIZE) { 665c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher inode_table = realloc(inode_table, size += 666c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher SQUASHFS_METADATA_SIZE); 667c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher if(inode_table == NULL) 668c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher EXIT_UNSQUASH("Out of memory in " 669c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher "uncompress_inode_table"); 670c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher } 671443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("uncompress_inode_table: reading block 0x%llx\n", start); 672443c15812032991c98b33b5424b17bcd55fe3575plougher add_entry(inode_table_hash, start, bytes); 673176b325add10f6b9846f771f75d8543364d4c121plougher res = read_block(fd, start, &start, inode_table + bytes); 674c435240f52b78b0ef498118727ba8dad186db26bplougher if(res == 0) { 675443c15812032991c98b33b5424b17bcd55fe3575plougher free(inode_table); 676d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("uncompress_inode_table: failed to read " 677d4204758f77acb5a371fa1487a755b76a05d5476plougher "block \n"); 678443c15812032991c98b33b5424b17bcd55fe3575plougher } 679443c15812032991c98b33b5424b17bcd55fe3575plougher bytes += res; 680443c15812032991c98b33b5424b17bcd55fe3575plougher } 681443c15812032991c98b33b5424b17bcd55fe3575plougher} 682443c15812032991c98b33b5424b17bcd55fe3575plougher 683443c15812032991c98b33b5424b17bcd55fe3575plougher 684d4204758f77acb5a371fa1487a755b76a05d5476plougherint set_attributes(char *pathname, int mode, uid_t uid, gid_t guid, time_t time, 685fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher unsigned int xattr, unsigned int set_mode) 686443c15812032991c98b33b5424b17bcd55fe3575plougher{ 6876f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher struct utimbuf times = { time, time }; 688443c15812032991c98b33b5424b17bcd55fe3575plougher 6892ef25cb004cc6995bd36f781863aa844fe8c358dplougher write_xattr(pathname, xattr); 6902ef25cb004cc6995bd36f781863aa844fe8c358dplougher 691443c15812032991c98b33b5424b17bcd55fe3575plougher if(utime(pathname, ×) == -1) { 692d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("set_attributes: failed to set time on %s, because %s\n", 693d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 694443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 695443c15812032991c98b33b5424b17bcd55fe3575plougher } 696443c15812032991c98b33b5424b17bcd55fe3575plougher 6979dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 6986f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(chown(pathname, uid, guid) == -1) { 699c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("set_attributes: failed to change uid and gids " 700c435240f52b78b0ef498118727ba8dad186db26bplougher "on %s, because %s\n", pathname, 701c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 702443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 703443c15812032991c98b33b5424b17bcd55fe3575plougher } 7049dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher } else 7059dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher mode &= ~07000; 7069dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher 7079dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if((set_mode || (mode & 07000)) && chmod(pathname, (mode_t) mode) == -1) { 708d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("set_attributes: failed to change mode %s, because %s\n", 709d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 7109dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher return FALSE; 711443c15812032991c98b33b5424b17bcd55fe3575plougher } 712443c15812032991c98b33b5424b17bcd55fe3575plougher 713443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 714443c15812032991c98b33b5424b17bcd55fe3575plougher} 715443c15812032991c98b33b5424b17bcd55fe3575plougher 716443c15812032991c98b33b5424b17bcd55fe3575plougher 7171c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougherint write_bytes(int fd, char *buff, int bytes) 7181c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher{ 7191c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher int res, count; 7201c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7211c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher for(count = 0; count < bytes; count += res) { 7221c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher res = write(fd, buff + count, bytes - count); 7231c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(res == -1) { 7241c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(errno != EINTR) { 725c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Write on output file failed because " 726c435240f52b78b0ef498118727ba8dad186db26bplougher "%s\n", strerror(errno)); 7271c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher return -1; 7281c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7291c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher res = 0; 7301c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7311c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7321c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7331c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher return 0; 7341c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher} 7351c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7361c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 737b9cee889506e674726856035dba52d5e1cceeb99plougherint lseek_broken = FALSE; 738c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougherchar *zero_data = NULL; 739b9cee889506e674726856035dba52d5e1cceeb99plougher 740c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougherint write_block(int file_fd, char *buffer, int size, int hole, int sparse) 741b9cee889506e674726856035dba52d5e1cceeb99plougher{ 742b9cee889506e674726856035dba52d5e1cceeb99plougher off_t off = hole; 743b9cee889506e674726856035dba52d5e1cceeb99plougher 744b9cee889506e674726856035dba52d5e1cceeb99plougher if(hole) { 745c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(sparse && lseek_broken == FALSE) { 746c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher int error = lseek(file_fd, off, SEEK_CUR); 747c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(error == -1) 748c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher /* failed to seek beyond end of file */ 749c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher lseek_broken = TRUE; 750c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher } 751c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 752c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if((sparse == FALSE || lseek_broken) && zero_data == NULL) { 753b9cee889506e674726856035dba52d5e1cceeb99plougher if((zero_data = malloc(block_size)) == NULL) 754c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("write_block: failed to alloc " 755c435240f52b78b0ef498118727ba8dad186db26bplougher "zero data block\n"); 756b9cee889506e674726856035dba52d5e1cceeb99plougher memset(zero_data, 0, block_size); 757b9cee889506e674726856035dba52d5e1cceeb99plougher } 758c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 759c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(sparse == FALSE || lseek_broken) { 760b9cee889506e674726856035dba52d5e1cceeb99plougher int blocks = (hole + block_size -1) / block_size; 761b9cee889506e674726856035dba52d5e1cceeb99plougher int avail_bytes, i; 762b9cee889506e674726856035dba52d5e1cceeb99plougher for(i = 0; i < blocks; i++, hole -= avail_bytes) { 763d4204758f77acb5a371fa1487a755b76a05d5476plougher avail_bytes = hole > block_size ? block_size : 764d4204758f77acb5a371fa1487a755b76a05d5476plougher hole; 765d4204758f77acb5a371fa1487a755b76a05d5476plougher if(write_bytes(file_fd, zero_data, avail_bytes) 766d4204758f77acb5a371fa1487a755b76a05d5476plougher == -1) 767b9cee889506e674726856035dba52d5e1cceeb99plougher goto failure; 768b9cee889506e674726856035dba52d5e1cceeb99plougher } 769b9cee889506e674726856035dba52d5e1cceeb99plougher } 770b9cee889506e674726856035dba52d5e1cceeb99plougher } 771b9cee889506e674726856035dba52d5e1cceeb99plougher 7721c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(write_bytes(file_fd, buffer, size) == -1) 773b9cee889506e674726856035dba52d5e1cceeb99plougher goto failure; 774b9cee889506e674726856035dba52d5e1cceeb99plougher 775b9cee889506e674726856035dba52d5e1cceeb99plougher return TRUE; 776b9cee889506e674726856035dba52d5e1cceeb99plougher 777b9cee889506e674726856035dba52d5e1cceeb99plougherfailure: 778b9cee889506e674726856035dba52d5e1cceeb99plougher return FALSE; 779b9cee889506e674726856035dba52d5e1cceeb99plougher} 780b9cee889506e674726856035dba52d5e1cceeb99plougher 7818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 78279df93becb68081effabebba3006c794be308598plougherint write_file(struct inode *inode, char *pathname) 783443c15812032991c98b33b5424b17bcd55fe3575plougher{ 7848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher unsigned int file_fd, i; 785f9c72b137336d5c1d4bdf2792f2bc5142713676bplougher unsigned int *block_list; 78679df93becb68081effabebba3006c794be308598plougher int file_end = inode->data / block_size; 78779df93becb68081effabebba3006c794be308598plougher long long start = inode->start; 7888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct squashfs_file *file; 789443c15812032991c98b33b5424b17bcd55fe3575plougher 79079df93becb68081effabebba3006c794be308598plougher TRACE("write_file: regular file, blocks %d\n", inode->blocks); 791443c15812032991c98b33b5424b17bcd55fe3575plougher 792d4204758f77acb5a371fa1487a755b76a05d5476plougher file_fd = open(pathname, O_CREAT | O_WRONLY | (force ? O_TRUNC : 0), 793d4204758f77acb5a371fa1487a755b76a05d5476plougher (mode_t) inode->mode & 0777); 794d4204758f77acb5a371fa1487a755b76a05d5476plougher if(file_fd == -1) { 795d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("write_file: failed to create file %s, because %s\n", 796d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 797443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 798443c15812032991c98b33b5424b17bcd55fe3575plougher } 799443c15812032991c98b33b5424b17bcd55fe3575plougher 80079df93becb68081effabebba3006c794be308598plougher if((block_list = malloc(inode->blocks * sizeof(unsigned int))) == NULL) 8018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc block list\n"); 802443c15812032991c98b33b5424b17bcd55fe3575plougher 80379df93becb68081effabebba3006c794be308598plougher s_ops.read_block_list(block_list, inode->block_ptr, inode->blocks); 804443c15812032991c98b33b5424b17bcd55fe3575plougher 8058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if((file = malloc(sizeof(struct squashfs_file))) == NULL) 8068888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 807443c15812032991c98b33b5424b17bcd55fe3575plougher 808d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 809d4204758f77acb5a371fa1487a755b76a05d5476plougher * the writer thread is queued a squashfs_file structure describing the 810c435240f52b78b0ef498118727ba8dad186db26bplougher * file. If the file has one or more blocks or a fragments they are 811c435240f52b78b0ef498118727ba8dad186db26bplougher * queued separately (references to blocks in the cache). 812d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 8138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher file->fd = file_fd; 81479df93becb68081effabebba3006c794be308598plougher file->file_size = inode->data; 81579df93becb68081effabebba3006c794be308598plougher file->mode = inode->mode; 81679df93becb68081effabebba3006c794be308598plougher file->gid = inode->gid; 81779df93becb68081effabebba3006c794be308598plougher file->uid = inode->uid; 81879df93becb68081effabebba3006c794be308598plougher file->time = inode->time; 81979df93becb68081effabebba3006c794be308598plougher file->pathname = strdup(pathname); 82079df93becb68081effabebba3006c794be308598plougher file->blocks = inode->blocks + (inode->frag_bytes > 0); 8217f6692575a1b1c8d7d55afac647b72b84b79e378plougher file->sparse = inode->sparse; 822fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher file->xattr = inode->xattr; 8238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, file); 824443c15812032991c98b33b5424b17bcd55fe3575plougher 82579df93becb68081effabebba3006c794be308598plougher for(i = 0; i < inode->blocks; i++) { 8268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(block_list[i]); 8278372232d2460411adaa2299c32a0a88665e44902plougher struct file_entry *block = malloc(sizeof(struct file_entry)); 8288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 8298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block == NULL) 8308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 8318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->offset = 0; 832d4204758f77acb5a371fa1487a755b76a05d5476plougher block->size = i == file_end ? inode->data & (block_size - 1) : 833d4204758f77acb5a371fa1487a755b76a05d5476plougher block_size; 8348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block_list[i] == 0) /* sparse file */ 8358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->buffer = NULL; 8368888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else { 837d4204758f77acb5a371fa1487a755b76a05d5476plougher block->buffer = cache_get(data_cache, start, 838d4204758f77acb5a371fa1487a755b76a05d5476plougher block_list[i]); 8398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher start += c_byte; 840443c15812032991c98b33b5424b17bcd55fe3575plougher } 8418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, block); 842443c15812032991c98b33b5424b17bcd55fe3575plougher } 843443c15812032991c98b33b5424b17bcd55fe3575plougher 84479df93becb68081effabebba3006c794be308598plougher if(inode->frag_bytes) { 8458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int size; 8468888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher long long start; 8478372232d2460411adaa2299c32a0a88665e44902plougher struct file_entry *block = malloc(sizeof(struct file_entry)); 8488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 8498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block == NULL) 8508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 85179df93becb68081effabebba3006c794be308598plougher s_ops.read_fragment(inode->fragment, &start, &size); 8528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->buffer = cache_get(fragment_cache, start, size); 85379df93becb68081effabebba3006c794be308598plougher block->offset = inode->offset; 85479df93becb68081effabebba3006c794be308598plougher block->size = inode->frag_bytes; 8558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, block); 856b9cee889506e674726856035dba52d5e1cceeb99plougher } 857b9cee889506e674726856035dba52d5e1cceeb99plougher 858b9cee889506e674726856035dba52d5e1cceeb99plougher free(block_list); 859443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 860443c15812032991c98b33b5424b17bcd55fe3575plougher} 861476dcb48b24efff22caa970f000e151f1b28918dplougher 862476dcb48b24efff22caa970f000e151f1b28918dplougher 8636f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougherint create_inode(char *pathname, struct inode *i) 864443c15812032991c98b33b5424b17bcd55fe3575plougher{ 8656f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher TRACE("create_inode: pathname %s\n", pathname); 866443c15812032991c98b33b5424b17bcd55fe3575plougher 8676f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(created_inode[i->inode_number - 1]) { 868443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: hard link\n"); 8696013a30bd39550decc2546a47e5168e57bfcfde8plougher if(force) 8706013a30bd39550decc2546a47e5168e57bfcfde8plougher unlink(pathname); 8716013a30bd39550decc2546a47e5168e57bfcfde8plougher 8726f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(link(created_inode[i->inode_number - 1], pathname) == -1) { 873c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create hardlink, " 874c435240f52b78b0ef498118727ba8dad186db26bplougher "because %s\n", strerror(errno)); 875443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 876443c15812032991c98b33b5424b17bcd55fe3575plougher } 877443c15812032991c98b33b5424b17bcd55fe3575plougher 878443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 879443c15812032991c98b33b5424b17bcd55fe3575plougher } 880443c15812032991c98b33b5424b17bcd55fe3575plougher 8816f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher switch(i->type) { 8826f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_FILE_TYPE: 8836f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_LREG_TYPE: 884c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("create_inode: regular file, file_size %lld, " 885c435240f52b78b0ef498118727ba8dad186db26bplougher "blocks %d\n", i->data, i->blocks); 886443c15812032991c98b33b5424b17bcd55fe3575plougher 88779df93becb68081effabebba3006c794be308598plougher if(write_file(i, pathname)) 888443c15812032991c98b33b5424b17bcd55fe3575plougher file_count ++; 889443c15812032991c98b33b5424b17bcd55fe3575plougher break; 8906f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_SYMLINK_TYPE: 89199ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LSYMLINK_TYPE: 892d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("create_inode: symlink, symlink_size %lld\n", 893d4204758f77acb5a371fa1487a755b76a05d5476plougher i->data); 894443c15812032991c98b33b5424b17bcd55fe3575plougher 895a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 896a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 897a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 8986f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(symlink(i->symlink, pathname) == -1) { 899c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create symlink " 900c435240f52b78b0ef498118727ba8dad186db26bplougher "%s, because %s\n", pathname, 901c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 902443c15812032991c98b33b5424b17bcd55fe3575plougher break; 903443c15812032991c98b33b5424b17bcd55fe3575plougher } 904443c15812032991c98b33b5424b17bcd55fe3575plougher 9052ef25cb004cc6995bd36f781863aa844fe8c358dplougher write_xattr(pathname, i->xattr); 9062ef25cb004cc6995bd36f781863aa844fe8c358dplougher 9079dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 9086f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(lchown(pathname, i->uid, i->gid) == -1) 909c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to change " 910c435240f52b78b0ef498118727ba8dad186db26bplougher "uid and gids on %s, because " 911c435240f52b78b0ef498118727ba8dad186db26bplougher "%s\n", pathname, 912c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 913443c15812032991c98b33b5424b17bcd55fe3575plougher } 914443c15812032991c98b33b5424b17bcd55fe3575plougher 915443c15812032991c98b33b5424b17bcd55fe3575plougher sym_count ++; 916443c15812032991c98b33b5424b17bcd55fe3575plougher break; 917443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_BLKDEV_TYPE: 91899ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_CHRDEV_TYPE: 91999ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LBLKDEV_TYPE: 92099ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LCHRDEV_TYPE: { 9216f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher int chrdev = i->type == SQUASHFS_CHRDEV_TYPE; 922545404219cdd79c1e06ac7d0698d02a15240c4c3plougher TRACE("create_inode: dev, rdev 0x%llx\n", i->data); 923443c15812032991c98b33b5424b17bcd55fe3575plougher 9249dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 925a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 926a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 927a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 9286f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(mknod(pathname, chrdev ? S_IFCHR : S_IFBLK, 929d4204758f77acb5a371fa1487a755b76a05d5476plougher makedev((i->data >> 8) & 0xff, 930d4204758f77acb5a371fa1487a755b76a05d5476plougher i->data & 0xff)) == -1) { 931c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create " 932c435240f52b78b0ef498118727ba8dad186db26bplougher "%s device %s, because %s\n", 933d4204758f77acb5a371fa1487a755b76a05d5476plougher chrdev ? "character" : "block", 934d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 935443c15812032991c98b33b5424b17bcd55fe3575plougher break; 936443c15812032991c98b33b5424b17bcd55fe3575plougher } 937c435240f52b78b0ef498118727ba8dad186db26bplougher set_attributes(pathname, i->mode, i->uid, 938fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher i->gid, i->time, i->xattr, TRUE); 939443c15812032991c98b33b5424b17bcd55fe3575plougher dev_count ++; 940443c15812032991c98b33b5424b17bcd55fe3575plougher } else 941c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: could not create %s " 942c435240f52b78b0ef498118727ba8dad186db26bplougher "device %s, because you're not " 943c435240f52b78b0ef498118727ba8dad186db26bplougher "superuser!\n", chrdev ? "character" : 944c435240f52b78b0ef498118727ba8dad186db26bplougher "block", pathname); 945443c15812032991c98b33b5424b17bcd55fe3575plougher break; 9466f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher } 947443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_FIFO_TYPE: 94899ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LFIFO_TYPE: 949443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: fifo\n"); 950443c15812032991c98b33b5424b17bcd55fe3575plougher 951a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 952a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 953a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 954443c15812032991c98b33b5424b17bcd55fe3575plougher if(mknod(pathname, S_IFIFO, 0) == -1) { 955d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("create_inode: failed to create fifo %s, " 956d4204758f77acb5a371fa1487a755b76a05d5476plougher "because %s\n", pathname, 957d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 958443c15812032991c98b33b5424b17bcd55fe3575plougher break; 959443c15812032991c98b33b5424b17bcd55fe3575plougher } 960c435240f52b78b0ef498118727ba8dad186db26bplougher set_attributes(pathname, i->mode, i->uid, i->gid, 961fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher i->time, i->xattr, TRUE); 962443c15812032991c98b33b5424b17bcd55fe3575plougher fifo_count ++; 963443c15812032991c98b33b5424b17bcd55fe3575plougher break; 964443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_SOCKET_TYPE: 96599ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LSOCKET_TYPE: 966443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: socket\n"); 967443c15812032991c98b33b5424b17bcd55fe3575plougher ERROR("create_inode: socket %s ignored\n", pathname); 968443c15812032991c98b33b5424b17bcd55fe3575plougher break; 969443c15812032991c98b33b5424b17bcd55fe3575plougher default: 970d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Unknown inode type %d in create_inode_table!\n", 971d4204758f77acb5a371fa1487a755b76a05d5476plougher i->type); 972443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 973443c15812032991c98b33b5424b17bcd55fe3575plougher } 974fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 9756f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher created_inode[i->inode_number - 1] = strdup(pathname); 976443c15812032991c98b33b5424b17bcd55fe3575plougher 977443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 978443c15812032991c98b33b5424b17bcd55fe3575plougher} 979443c15812032991c98b33b5424b17bcd55fe3575plougher 980443c15812032991c98b33b5424b17bcd55fe3575plougher 98102bc3bcabf2b219f63961f07293b83629948f026ploughervoid uncompress_directory_table(long long start, long long end) 982443c15812032991c98b33b5424b17bcd55fe3575plougher{ 983443c15812032991c98b33b5424b17bcd55fe3575plougher int bytes = 0, size = 0, res; 984443c15812032991c98b33b5424b17bcd55fe3575plougher 98541da3230b2ac91a73f9190676f66b3d80b21c270plougher TRACE("uncompress_directory_table: start %lld, end %lld\n", start, end); 98641da3230b2ac91a73f9190676f66b3d80b21c270plougher 987443c15812032991c98b33b5424b17bcd55fe3575plougher while(start < end) { 98807d4d0dcafeb198a568f859b88034637e6e7a8e7plougher if(size - bytes < SQUASHFS_METADATA_SIZE) { 98907d4d0dcafeb198a568f859b88034637e6e7a8e7plougher directory_table = realloc(directory_table, size += 99007d4d0dcafeb198a568f859b88034637e6e7a8e7plougher SQUASHFS_METADATA_SIZE); 99107d4d0dcafeb198a568f859b88034637e6e7a8e7plougher if(directory_table == NULL) 99207d4d0dcafeb198a568f859b88034637e6e7a8e7plougher EXIT_UNSQUASH("Out of memory in " 99307d4d0dcafeb198a568f859b88034637e6e7a8e7plougher "uncompress_directory_table\n"); 99407d4d0dcafeb198a568f859b88034637e6e7a8e7plougher } 995c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("uncompress_directory_table: reading block 0x%llx\n", 996c435240f52b78b0ef498118727ba8dad186db26bplougher start); 997443c15812032991c98b33b5424b17bcd55fe3575plougher add_entry(directory_table_hash, start, bytes); 998176b325add10f6b9846f771f75d8543364d4c121plougher res = read_block(fd, start, &start, directory_table + bytes); 999c435240f52b78b0ef498118727ba8dad186db26bplougher if(res == 0) 1000c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("uncompress_directory_table: failed to " 1001c435240f52b78b0ef498118727ba8dad186db26bplougher "read block\n"); 1002443c15812032991c98b33b5424b17bcd55fe3575plougher bytes += res; 1003443c15812032991c98b33b5424b17bcd55fe3575plougher } 1004443c15812032991c98b33b5424b17bcd55fe3575plougher} 1005443c15812032991c98b33b5424b17bcd55fe3575plougher 1006443c15812032991c98b33b5424b17bcd55fe3575plougher 10079dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint squashfs_readdir(struct dir *dir, char **name, unsigned int *start_block, 10089dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherunsigned int *offset, unsigned int *type) 1009443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1010443c15812032991c98b33b5424b17bcd55fe3575plougher if(dir->cur_entry == dir->dir_count) 1011443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 1012443c15812032991c98b33b5424b17bcd55fe3575plougher 1013443c15812032991c98b33b5424b17bcd55fe3575plougher *name = dir->dirs[dir->cur_entry].name; 1014443c15812032991c98b33b5424b17bcd55fe3575plougher *start_block = dir->dirs[dir->cur_entry].start_block; 1015443c15812032991c98b33b5424b17bcd55fe3575plougher *offset = dir->dirs[dir->cur_entry].offset; 1016443c15812032991c98b33b5424b17bcd55fe3575plougher *type = dir->dirs[dir->cur_entry].type; 1017443c15812032991c98b33b5424b17bcd55fe3575plougher dir->cur_entry ++; 1018443c15812032991c98b33b5424b17bcd55fe3575plougher 1019443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 1020443c15812032991c98b33b5424b17bcd55fe3575plougher} 1021443c15812032991c98b33b5424b17bcd55fe3575plougher 1022443c15812032991c98b33b5424b17bcd55fe3575plougher 1023443c15812032991c98b33b5424b17bcd55fe3575ploughervoid squashfs_closedir(struct dir *dir) 1024443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1025443c15812032991c98b33b5424b17bcd55fe3575plougher free(dir->dirs); 1026443c15812032991c98b33b5424b17bcd55fe3575plougher free(dir); 1027443c15812032991c98b33b5424b17bcd55fe3575plougher} 1028443c15812032991c98b33b5424b17bcd55fe3575plougher 1029443c15812032991c98b33b5424b17bcd55fe3575plougher 1030b54566f5c433764830c29c83151691d0034de094plougherchar *get_component(char *target, char *targname) 1031b54566f5c433764830c29c83151691d0034de094plougher{ 1032b54566f5c433764830c29c83151691d0034de094plougher while(*target == '/') 10333cef656655723444fb1e2de1a001e6c2a54cf81erlougher target ++; 1034b54566f5c433764830c29c83151691d0034de094plougher 1035b54566f5c433764830c29c83151691d0034de094plougher while(*target != '/' && *target!= '\0') 1036b54566f5c433764830c29c83151691d0034de094plougher *targname ++ = *target ++; 1037b54566f5c433764830c29c83151691d0034de094plougher 1038b54566f5c433764830c29c83151691d0034de094plougher *targname = '\0'; 1039b54566f5c433764830c29c83151691d0034de094plougher 1040b54566f5c433764830c29c83151691d0034de094plougher return target; 1041b54566f5c433764830c29c83151691d0034de094plougher} 1042b54566f5c433764830c29c83151691d0034de094plougher 1043b54566f5c433764830c29c83151691d0034de094plougher 10446ee88c6b5da9f7b3ea88ab7481db126efa01c8f4ploughervoid free_path(struct pathname *paths) 10456ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher{ 10466ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher int i; 10476ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10486ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher for(i = 0; i < paths->names; i++) { 10496ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].paths) 10506ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free_path(paths->name[i].paths); 10516ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths->name[i].name); 10526ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].preg) { 10536ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher regfree(paths->name[i].preg); 10546ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths->name[i].preg); 10556ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } 10566ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } 10576ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10586ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths); 10596ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher} 10606ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10616ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10624dba330d7b952f2f044d38e342e2ae3ea78910d6plougherstruct pathname *add_path(struct pathname *paths, char *target, char *alltarget) 1063b54566f5c433764830c29c83151691d0034de094plougher{ 106471add234b27054974d5e29f95b3fab3072792a62plougher char targname[1024]; 10654dba330d7b952f2f044d38e342e2ae3ea78910d6plougher int i, error; 106671add234b27054974d5e29f95b3fab3072792a62plougher 1067b7bb000643cd21c615a0366a7365441aa9c433f2plougher TRACE("add_path: adding \"%s\" extract file\n", target); 1068b7bb000643cd21c615a0366a7365441aa9c433f2plougher 106971add234b27054974d5e29f95b3fab3072792a62plougher target = get_component(target, targname); 107071add234b27054974d5e29f95b3fab3072792a62plougher 107171add234b27054974d5e29f95b3fab3072792a62plougher if(paths == NULL) { 10724dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if((paths = malloc(sizeof(struct pathname))) == NULL) 10734dba330d7b952f2f044d38e342e2ae3ea78910d6plougher EXIT_UNSQUASH("failed to allocate paths\n"); 10744dba330d7b952f2f044d38e342e2ae3ea78910d6plougher 107571add234b27054974d5e29f95b3fab3072792a62plougher paths->names = 0; 107671add234b27054974d5e29f95b3fab3072792a62plougher paths->name = NULL; 107771add234b27054974d5e29f95b3fab3072792a62plougher } 107871add234b27054974d5e29f95b3fab3072792a62plougher 107971add234b27054974d5e29f95b3fab3072792a62plougher for(i = 0; i < paths->names; i++) 108071add234b27054974d5e29f95b3fab3072792a62plougher if(strcmp(paths->name[i].name, targname) == 0) 108171add234b27054974d5e29f95b3fab3072792a62plougher break; 108271add234b27054974d5e29f95b3fab3072792a62plougher 10836ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(i == paths->names) { 1084d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1085d4204758f77acb5a371fa1487a755b76a05d5476plougher * allocate new name entry 1086d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 108771add234b27054974d5e29f95b3fab3072792a62plougher paths->names ++; 1088d4204758f77acb5a371fa1487a755b76a05d5476plougher paths->name = realloc(paths->name, (i + 1) * 1089d4204758f77acb5a371fa1487a755b76a05d5476plougher sizeof(struct path_entry)); 1090fd628227871aecb36bb2b4f9c7f664f731510cdeplougher if(paths->name == NULL) 1091fd628227871aecb36bb2b4f9c7f664f731510cdeplougher EXIT_UNSQUASH("Out of memory in add_path\n"); 109271add234b27054974d5e29f95b3fab3072792a62plougher paths->name[i].name = strdup(targname); 10936ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher paths->name[i].paths = NULL; 10944dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if(use_regex) { 10954dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].preg = malloc(sizeof(regex_t)); 10961f3cc42a2f77966d321a38d1709eba26f71104bdplougher if(paths->name[i].preg == NULL) 10971f3cc42a2f77966d321a38d1709eba26f71104bdplougher EXIT_UNSQUASH("Out of memory in add_path\n"); 1098d4204758f77acb5a371fa1487a755b76a05d5476plougher error = regcomp(paths->name[i].preg, targname, 1099d4204758f77acb5a371fa1487a755b76a05d5476plougher REG_EXTENDED|REG_NOSUB); 1100545404219cdd79c1e06ac7d0698d02a15240c4c3plougher if(error) { 11014dba330d7b952f2f044d38e342e2ae3ea78910d6plougher char str[1024]; 11024dba330d7b952f2f044d38e342e2ae3ea78910d6plougher 11034dba330d7b952f2f044d38e342e2ae3ea78910d6plougher regerror(error, paths->name[i].preg, str, 1024); 1104d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("invalid regex %s in export %s, " 1105c435240f52b78b0ef498118727ba8dad186db26bplougher "because %s\n", targname, alltarget, 1106c435240f52b78b0ef498118727ba8dad186db26bplougher str); 11074dba330d7b952f2f044d38e342e2ae3ea78910d6plougher } 11084dba330d7b952f2f044d38e342e2ae3ea78910d6plougher } else 11094dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].preg = NULL; 11106ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 11116ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(target[0] == '\0') 1112d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1113d4204758f77acb5a371fa1487a755b76a05d5476plougher * at leaf pathname component 1114d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 111571add234b27054974d5e29f95b3fab3072792a62plougher paths->name[i].paths = NULL; 111671add234b27054974d5e29f95b3fab3072792a62plougher else 1117d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1118d4204758f77acb5a371fa1487a755b76a05d5476plougher * recurse adding child components 1119d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11204dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].paths = add_path(NULL, target, alltarget); 11216ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else { 1122d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1123d4204758f77acb5a371fa1487a755b76a05d5476plougher * existing matching entry 1124d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11256ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].paths == NULL) { 1126d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1127c435240f52b78b0ef498118727ba8dad186db26bplougher * No sub-directory which means this is the leaf 1128c435240f52b78b0ef498118727ba8dad186db26bplougher * component of a pre-existing extract which subsumes 1129c435240f52b78b0ef498118727ba8dad186db26bplougher * the extract currently being added, in which case stop 1130c435240f52b78b0ef498118727ba8dad186db26bplougher * adding components 1131d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11326ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else if(target[0] == '\0') { 1133d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1134d4204758f77acb5a371fa1487a755b76a05d5476plougher * at leaf pathname component and child components exist 1135c435240f52b78b0ef498118727ba8dad186db26bplougher * from more specific extracts, delete as they're 1136c435240f52b78b0ef498118727ba8dad186db26bplougher * subsumed by this extract 1137d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11386ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free_path(paths->name[i].paths); 11396ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher paths->name[i].paths = NULL; 11406ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else 1141d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1142d4204758f77acb5a371fa1487a755b76a05d5476plougher * recurse adding child components 1143d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11446ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher add_path(paths->name[i].paths, target, alltarget); 114571add234b27054974d5e29f95b3fab3072792a62plougher } 114671add234b27054974d5e29f95b3fab3072792a62plougher 114771add234b27054974d5e29f95b3fab3072792a62plougher return paths; 114871add234b27054974d5e29f95b3fab3072792a62plougher} 11496ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 11506ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 1151a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathnames *init_subdir() 115271add234b27054974d5e29f95b3fab3072792a62plougher{ 11538372232d2460411adaa2299c32a0a88665e44902plougher struct pathnames *new = malloc(sizeof(struct pathnames)); 1154c5671cbe8dffaff7062ceb7b75f8d96c657a67b7plougher if(new == NULL) 1155c5671cbe8dffaff7062ceb7b75f8d96c657a67b7plougher EXIT_UNSQUASH("Out of memory in init_subdir\n"); 1156a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher new->count = 0; 1157a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return new; 1158a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1159a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1160a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1161a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathnames *add_subdir(struct pathnames *paths, struct pathname *path) 1162a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 11633488d3bb3b89c394534ad2be909b661771a9581bplougher if(paths->count % PATHS_ALLOC_SIZE == 0) { 1164d4204758f77acb5a371fa1487a755b76a05d5476plougher paths = realloc(paths, sizeof(struct pathnames *) + 11653488d3bb3b89c394534ad2be909b661771a9581bplougher (paths->count + PATHS_ALLOC_SIZE) * 11663488d3bb3b89c394534ad2be909b661771a9581bplougher sizeof(struct pathname *)); 11673488d3bb3b89c394534ad2be909b661771a9581bplougher if(paths == NULL) 11683488d3bb3b89c394534ad2be909b661771a9581bplougher EXIT_UNSQUASH("Out of memory in add_subdir\n"); 11693488d3bb3b89c394534ad2be909b661771a9581bplougher } 1170a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1171a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths->path[paths->count++] = path; 1172a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return paths; 1173a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1174a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1175a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1176a706f1b6bb48f288ecaf74e218ce20504bda52c6ploughervoid free_subdir(struct pathnames *paths) 1177a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 1178a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free(paths); 1179a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1180a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1181a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1182a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherint matches(struct pathnames *paths, char *name, struct pathnames **new) 1183a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 1184a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher int i, n; 118571add234b27054974d5e29f95b3fab3072792a62plougher 118671add234b27054974d5e29f95b3fab3072792a62plougher if(paths == NULL) { 118771add234b27054974d5e29f95b3fab3072792a62plougher *new = NULL; 1188b54566f5c433764830c29c83151691d0034de094plougher return TRUE; 118971add234b27054974d5e29f95b3fab3072792a62plougher } 119071add234b27054974d5e29f95b3fab3072792a62plougher 1191a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = init_subdir(); 1192a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1193a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher for(n = 0; n < paths->count; n++) { 1194a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathname *path = paths->path[n]; 1195a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher for(i = 0; i < path->names; i++) { 1196a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher int match = use_regex ? 1197c435240f52b78b0ef498118727ba8dad186db26bplougher regexec(path->name[i].preg, name, (size_t) 0, 1198c435240f52b78b0ef498118727ba8dad186db26bplougher NULL, 0) == 0 : fnmatch(path->name[i].name, 1199c435240f52b78b0ef498118727ba8dad186db26bplougher name, FNM_PATHNAME|FNM_PERIOD|FNM_EXTMATCH) == 1200c435240f52b78b0ef498118727ba8dad186db26bplougher 0; 1201a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(match && path->name[i].paths == NULL) 1202d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1203d4204758f77acb5a371fa1487a755b76a05d5476plougher * match on a leaf component, any subdirectories 1204c435240f52b78b0ef498118727ba8dad186db26bplougher * will implicitly match, therefore return an 1205c435240f52b78b0ef498118727ba8dad186db26bplougher * empty new search set 1206d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1207a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher goto empty_set; 1208a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1209a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(match) 1210d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1211d4204758f77acb5a371fa1487a755b76a05d5476plougher * match on a non-leaf component, add any 1212c435240f52b78b0ef498118727ba8dad186db26bplougher * subdirectories to the new set of 1213c435240f52b78b0ef498118727ba8dad186db26bplougher * subdirectories to scan for this name 1214d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1215a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = add_subdir(*new, path->name[i].paths); 1216a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1217a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1218b54566f5c433764830c29c83151691d0034de094plougher 1219a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if((*new)->count == 0) { 1220d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1221d4204758f77acb5a371fa1487a755b76a05d5476plougher * no matching names found, delete empty search set, and return 1222d4204758f77acb5a371fa1487a755b76a05d5476plougher * FALSE 1223d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1224a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(*new); 1225a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = NULL; 1226a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return FALSE; 1227a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1228a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1229d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 12300a0d045642e8e413f90b770539193d3fd1522786plougher * one or more matches with sub-directories found (no leaf matches), 12310a0d045642e8e413f90b770539193d3fd1522786plougher * return new search set and return TRUE 12320a0d045642e8e413f90b770539193d3fd1522786plougher */ 1233a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return TRUE; 1234a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1235a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherempty_set: 1236d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1237d4204758f77acb5a371fa1487a755b76a05d5476plougher * found matching leaf exclude, return empty search set and return TRUE 1238d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1239a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(*new); 1240a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = NULL; 1241a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return TRUE; 1242b54566f5c433764830c29c83151691d0034de094plougher} 1243b54566f5c433764830c29c83151691d0034de094plougher 1244b54566f5c433764830c29c83151691d0034de094plougher 1245b807ab3497c01a49fed6f9daafce3bfc599a9421ploughervoid pre_scan(char *parent_name, unsigned int start_block, unsigned int offset, 1246d4204758f77acb5a371fa1487a755b76a05d5476plougher struct pathnames *paths) 1247eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1248eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher unsigned int type; 1249eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher char *name, pathname[1024]; 1250eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct pathnames *new; 1251eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1252eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct dir *dir = s_ops.squashfs_opendir(start_block, offset, &i); 1253eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1254eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(squashfs_readdir(dir, &name, &start_block, &offset, &type)) { 1255eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1256eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1257d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("pre_scan: name %s, start_block %d, offset %d, type %d\n", 1258d4204758f77acb5a371fa1487a755b76a05d5476plougher name, start_block, offset, type); 1259eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1260eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(!matches(paths, name, &new)) 1261eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher continue; 1262eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1263eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher strcat(strcat(strcpy(pathname, parent_name), "/"), name); 1264eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1265eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(type == SQUASHFS_DIR_TYPE) 1266eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pre_scan(parent_name, start_block, offset, new); 1267eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher else if(new == NULL) { 1268d4204758f77acb5a371fa1487a755b76a05d5476plougher if(type == SQUASHFS_FILE_TYPE || 1269d4204758f77acb5a371fa1487a755b76a05d5476plougher type == SQUASHFS_LREG_TYPE) { 1270312e50b7b8c9dd39577657bd3d79fcedf6e91a1bplougher i = s_ops.read_inode(start_block, offset); 1271eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(created_inode[i->inode_number - 1] == NULL) { 1272d4204758f77acb5a371fa1487a755b76a05d5476plougher created_inode[i->inode_number - 1] = 1273d4204758f77acb5a371fa1487a755b76a05d5476plougher (char *) i; 1274d4204758f77acb5a371fa1487a755b76a05d5476plougher total_blocks += (i->data + 1275d4204758f77acb5a371fa1487a755b76a05d5476plougher (block_size - 1)) >> block_log; 1276eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1277eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher total_files ++; 1278eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1279eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher total_inodes ++; 1280eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1281eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1282eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher free_subdir(new); 1283eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1284eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1285eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher squashfs_closedir(dir); 1286eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1287eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1288eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1289a2cff53655359b044ea88baa76cb16d1c8f44d2aploughervoid dir_scan(char *parent_name, unsigned int start_block, unsigned int offset, 1290d4204758f77acb5a371fa1487a755b76a05d5476plougher struct pathnames *paths) 1291443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1292443c15812032991c98b33b5424b17bcd55fe3575plougher unsigned int type; 1293443c15812032991c98b33b5424b17bcd55fe3575plougher char *name, pathname[1024]; 1294a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathnames *new; 1295eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1296eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct dir *dir = s_ops.squashfs_opendir(start_block, offset, &i); 1297443c15812032991c98b33b5424b17bcd55fe3575plougher 1298eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(lsonly || info) 1299eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher print_filename(parent_name, i); 1300eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1301d4204758f77acb5a371fa1487a755b76a05d5476plougher if(!lsonly && mkdir(parent_name, (mode_t) dir->mode) == -1 && 1302a2cff53655359b044ea88baa76cb16d1c8f44d2aplougher (!force || errno != EEXIST)) 1303d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("dir_scan: failed to open directory %s, because %s\n", 1304d4204758f77acb5a371fa1487a755b76a05d5476plougher parent_name, strerror(errno)); 1305443c15812032991c98b33b5424b17bcd55fe3575plougher 1306443c15812032991c98b33b5424b17bcd55fe3575plougher while(squashfs_readdir(dir, &name, &start_block, &offset, &type)) { 1307d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("dir_scan: name %s, start_block %d, offset %d, type %d\n", 1308d4204758f77acb5a371fa1487a755b76a05d5476plougher name, start_block, offset, type); 1309b54566f5c433764830c29c83151691d0034de094plougher 131071add234b27054974d5e29f95b3fab3072792a62plougher 131171add234b27054974d5e29f95b3fab3072792a62plougher if(!matches(paths, name, &new)) 1312b54566f5c433764830c29c83151691d0034de094plougher continue; 1313b54566f5c433764830c29c83151691d0034de094plougher 1314443c15812032991c98b33b5424b17bcd55fe3575plougher strcat(strcat(strcpy(pathname, parent_name), "/"), name); 1315fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 1316443c15812032991c98b33b5424b17bcd55fe3575plougher if(type == SQUASHFS_DIR_TYPE) 131771add234b27054974d5e29f95b3fab3072792a62plougher dir_scan(pathname, start_block, offset, new); 1318a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher else if(new == NULL) { 1319312e50b7b8c9dd39577657bd3d79fcedf6e91a1bplougher i = s_ops.read_inode(start_block, offset); 13206f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher 13216f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(lsonly || info) 13226f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher print_filename(pathname, i); 13236f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher 1324eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(!lsonly) { 13256f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher create_inode(pathname, i); 1326eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher update_progress_bar(); 1327eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1328427e2790c9ae74e2ff2c25e80a469cee0bbcae44plougher 1329d4204758f77acb5a371fa1487a755b76a05d5476plougher if(i->type == SQUASHFS_SYMLINK_TYPE || 1330d4204758f77acb5a371fa1487a755b76a05d5476plougher i->type == SQUASHFS_LSYMLINK_TYPE) 1331427e2790c9ae74e2ff2c25e80a469cee0bbcae44plougher free(i->symlink); 13326f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher } 1333a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1334a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(new); 1335443c15812032991c98b33b5424b17bcd55fe3575plougher } 1336443c15812032991c98b33b5424b17bcd55fe3575plougher 1337074d3f1129eae914655f6637773488052bf22327rlougher if(!lsonly) 1338d4204758f77acb5a371fa1487a755b76a05d5476plougher set_attributes(parent_name, dir->mode, dir->uid, dir->guid, 1339fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher dir->mtime, dir->xattr, force); 1340443c15812032991c98b33b5424b17bcd55fe3575plougher 1341443c15812032991c98b33b5424b17bcd55fe3575plougher squashfs_closedir(dir); 1342443c15812032991c98b33b5424b17bcd55fe3575plougher dir_count ++; 1343443c15812032991c98b33b5424b17bcd55fe3575plougher} 1344443c15812032991c98b33b5424b17bcd55fe3575plougher 1345443c15812032991c98b33b5424b17bcd55fe3575plougher 1346b624936abba03d38b7e9245c647339d8f6f34274ploughervoid squashfs_stat(char *source) 1347b624936abba03d38b7e9245c647339d8f6f34274plougher{ 134827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher time_t mkfs_time = (time_t) sBlk.s.mkfs_time; 1349b624936abba03d38b7e9245c647339d8f6f34274plougher char *mkfs_str = ctime(&mkfs_time); 1350b624936abba03d38b7e9245c647339d8f6f34274plougher 1351b624936abba03d38b7e9245c647339d8f6f34274plougher#if __BYTE_ORDER == __BIG_ENDIAN 1352d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Found a valid %sSQUASHFS %d:%d superblock on %s.\n", 135327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major == 4 ? "" : swap ? "little endian " : 135427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher "big endian ", sBlk.s.s_major, sBlk.s.s_minor, source); 1355b624936abba03d38b7e9245c647339d8f6f34274plougher#else 1356d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Found a valid %sSQUASHFS %d:%d superblock on %s.\n", 135727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major == 4 ? "" : swap ? "big endian " : 135827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher "little endian ", sBlk.s.s_major, sBlk.s.s_minor, source); 1359b624936abba03d38b7e9245c647339d8f6f34274plougher#endif 1360d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Creation or last append time %s", mkfs_str ? mkfs_str : 1361d4204758f77acb5a371fa1487a755b76a05d5476plougher "failed to get time\n"); 1362e5e5a7502f722fae4f057f49932fe4de2501f6e8plougher printf("Filesystem size %.2f Kbytes (%.2f Mbytes)\n", 1363e3206fad5b70e7e0527db2a627ad26616a8a2429plougher sBlk.s.bytes_used / 1024.0, sBlk.s.bytes_used / 1364e3206fad5b70e7e0527db2a627ad26616a8a2429plougher (1024.0 * 1024.0)); 136527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 1366e5e5a7502f722fae4f057f49932fe4de2501f6e8plougher printf("Compression %s\n", comp->name); 136727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Block size %d\n", sBlk.s.block_size); 1368d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Filesystem is %sexportable via NFS\n", 136927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_EXPORTABLE(sBlk.s.flags) ? "" : "not "); 1370d4204758f77acb5a371fa1487a755b76a05d5476plougher 1371d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Inodes are %scompressed\n", 137227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_INODES(sBlk.s.flags) ? "un" : ""); 1373d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Data is %scompressed\n", 137427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_DATA(sBlk.s.flags) ? "un" : ""); 137527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1 && !SQUASHFS_NO_FRAGMENTS(sBlk.s.flags)) 1376d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Fragments are %scompressed\n", 137727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_FRAGMENTS(sBlk.s.flags) ? "un" : 1378c435240f52b78b0ef498118727ba8dad186db26bplougher ""); 1379d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Check data is %spresent in the filesystem\n", 138027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_CHECK_DATA(sBlk.s.flags) ? "" : "not "); 138127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) { 1382d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Fragments are %spresent in the filesystem\n", 138327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_NO_FRAGMENTS(sBlk.s.flags) ? "not " : ""); 1384d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Always_use_fragments option is %sspecified\n", 138527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_ALWAYS_FRAGMENTS(sBlk.s.flags) ? "" : "not "); 1386b624936abba03d38b7e9245c647339d8f6f34274plougher } else 1387b624936abba03d38b7e9245c647339d8f6f34274plougher printf("Fragments are not supported by the filesystem\n"); 1388b624936abba03d38b7e9245c647339d8f6f34274plougher 138927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 1390d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Duplicates are %sremoved\n", 139127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_DUPLICATES(sBlk.s.flags) ? "" : "not "); 13920337de3977eec74e6a3d28e0d0863299246de8b7plougher else 13930337de3977eec74e6a3d28e0d0863299246de8b7plougher printf("Duplicates are removed\n"); 139427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 139527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of fragments %d\n", sBlk.s.fragments); 139627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of inodes %d\n", sBlk.s.inodes); 139727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 139827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of ids %d\n", sBlk.s.no_ids); 13990f74340e3b68533339adc60f418ddf59fa188f61plougher else { 14000f74340e3b68533339adc60f418ddf59fa188f61plougher printf("Number of uids %d\n", sBlk.no_uids); 14010f74340e3b68533339adc60f418ddf59fa188f61plougher printf("Number of gids %d\n", sBlk.no_guids); 14020f74340e3b68533339adc60f418ddf59fa188f61plougher } 1403b624936abba03d38b7e9245c647339d8f6f34274plougher 140427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.inode_table_start 0x%llx\n", sBlk.s.inode_table_start); 140527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.directory_table_start 0x%llx\n", 140627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start); 140727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 140827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.id_table_start 0x%llx\n", sBlk.s.id_table_start); 14090f74340e3b68533339adc60f418ddf59fa188f61plougher else { 14100f74340e3b68533339adc60f418ddf59fa188f61plougher TRACE("sBlk.uid_start 0x%llx\n", sBlk.uid_start); 14110f74340e3b68533339adc60f418ddf59fa188f61plougher TRACE("sBlk.guid_start 0x%llx\n", sBlk.guid_start); 14120f74340e3b68533339adc60f418ddf59fa188f61plougher } 141327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 141427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.fragment_table_start 0x%llx\n\n", 141527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start); 1416b624936abba03d38b7e9245c647339d8f6f34274plougher} 1417b624936abba03d38b7e9245c647339d8f6f34274plougher 1418b624936abba03d38b7e9245c647339d8f6f34274plougher 141902bc3bcabf2b219f63961f07293b83629948f026plougherint read_super(char *source) 1420443c15812032991c98b33b5424b17bcd55fe3575plougher{ 14216490378e5b5e8dc058daf28423a7465699a6ba7bplougher squashfs_super_block_3 sBlk_3; 14226490378e5b5e8dc058daf28423a7465699a6ba7bplougher squashfs_super_block sBlk_4; 14236490378e5b5e8dc058daf28423a7465699a6ba7bplougher 14246490378e5b5e8dc058daf28423a7465699a6ba7bplougher /* 14256490378e5b5e8dc058daf28423a7465699a6ba7bplougher * Try to read a Squashfs 4 superblock 14266490378e5b5e8dc058daf28423a7465699a6ba7bplougher */ 142786561909d9ca51a4e4ce4efcfea30b41d1d08275plougher read_fs_bytes(fd, SQUASHFS_START, sizeof(squashfs_super_block), 14283306cb2b54a60a32664617118336ac141e1471b6plougher &sBlk_4); 142954660e177ba40ab08ee2f3304b9f030eb5675677plougher swap = sBlk_4.s_magic != SQUASHFS_MAGIC; 14306490378e5b5e8dc058daf28423a7465699a6ba7bplougher SQUASHFS_INSWAP_SUPER_BLOCK(&sBlk_4); 14316490378e5b5e8dc058daf28423a7465699a6ba7bplougher 1432d4204758f77acb5a371fa1487a755b76a05d5476plougher if(sBlk_4.s_magic == SQUASHFS_MAGIC && sBlk_4.s_major == 4 && 1433d4204758f77acb5a371fa1487a755b76a05d5476plougher sBlk_4.s_minor == 0) { 14346490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.squashfs_opendir = squashfs_opendir_4; 14356490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_fragment = read_fragment_4; 14366490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_fragment_table = read_fragment_table_4; 14376490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_block_list = read_block_list_2; 14386490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_inode = read_inode_4; 14396490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_uids_guids = read_uids_guids_4; 14406490378e5b5e8dc058daf28423a7465699a6ba7bplougher memcpy(&sBlk, &sBlk_4, sizeof(sBlk_4)); 1441efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1442efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher /* 1443efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher * Check the compression type 1444efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher */ 144527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher comp = lookup_compressor_id(sBlk.s.compression); 14466490378e5b5e8dc058daf28423a7465699a6ba7bplougher return TRUE; 14476490378e5b5e8dc058daf28423a7465699a6ba7bplougher } 14486490378e5b5e8dc058daf28423a7465699a6ba7bplougher 14496490378e5b5e8dc058daf28423a7465699a6ba7bplougher /* 14506490378e5b5e8dc058daf28423a7465699a6ba7bplougher * Not a Squashfs 4 superblock, try to read a squashfs 3 superblock 14516490378e5b5e8dc058daf28423a7465699a6ba7bplougher * (compatible with 1 and 2 filesystems) 14526490378e5b5e8dc058daf28423a7465699a6ba7bplougher */ 145386561909d9ca51a4e4ce4efcfea30b41d1d08275plougher read_fs_bytes(fd, SQUASHFS_START, sizeof(squashfs_super_block_3), 14543306cb2b54a60a32664617118336ac141e1471b6plougher &sBlk_3); 1455443c15812032991c98b33b5424b17bcd55fe3575plougher 1456d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1457d4204758f77acb5a371fa1487a755b76a05d5476plougher * Check it is a SQUASHFS superblock 1458d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1459443c15812032991c98b33b5424b17bcd55fe3575plougher swap = 0; 146021ee4773956342a8a7d0f14e430ae77ffbd10601plougher if(sBlk_3.s_magic != SQUASHFS_MAGIC) { 146121ee4773956342a8a7d0f14e430ae77ffbd10601plougher if(sBlk_3.s_magic == SQUASHFS_MAGIC_SWAP) { 14627a5df5d70c02bdb5175a5b9301c2c9597a6a4937plougher squashfs_super_block_3 sblk; 1463c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Reading a different endian SQUASHFS filesystem " 1464c435240f52b78b0ef498118727ba8dad186db26bplougher "on %s\n", source); 14656490378e5b5e8dc058daf28423a7465699a6ba7bplougher SQUASHFS_SWAP_SUPER_BLOCK_3(&sblk, &sBlk_3); 14666490378e5b5e8dc058daf28423a7465699a6ba7bplougher memcpy(&sBlk_3, &sblk, sizeof(squashfs_super_block_3)); 1467443c15812032991c98b33b5424b17bcd55fe3575plougher swap = 1; 1468443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 1469c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Can't find a SQUASHFS superblock on %s\n", 1470c435240f52b78b0ef498118727ba8dad186db26bplougher source); 1471443c15812032991c98b33b5424b17bcd55fe3575plougher goto failed_mount; 1472443c15812032991c98b33b5424b17bcd55fe3575plougher } 1473443c15812032991c98b33b5424b17bcd55fe3575plougher } 1474443c15812032991c98b33b5424b17bcd55fe3575plougher 147527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_magic = sBlk_3.s_magic; 147627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inodes = sBlk_3.inodes; 147727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.mkfs_time = sBlk_3.mkfs_time; 147827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_size = sBlk_3.block_size; 147927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragments = sBlk_3.fragments; 148027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_log = sBlk_3.block_log; 148127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.flags = sBlk_3.flags; 148227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major = sBlk_3.s_major; 148327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_minor = sBlk_3.s_minor; 148427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.root_inode = sBlk_3.root_inode; 148527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.bytes_used = sBlk_3.bytes_used; 148627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inode_table_start = sBlk_3.inode_table_start; 148727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start = sBlk_3.directory_table_start; 148827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = sBlk_3.fragment_table_start; 148927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.lookup_table_start = sBlk_3.lookup_table_start; 14906490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.no_uids = sBlk_3.no_uids; 14916490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.no_guids = sBlk_3.no_guids; 14926490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.uid_start = sBlk_3.uid_start; 14936490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.guid_start = sBlk_3.guid_start; 149427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.xattr_id_table_start = SQUASHFS_INVALID_BLK; 14956490378e5b5e8dc058daf28423a7465699a6ba7bplougher 1496443c15812032991c98b33b5424b17bcd55fe3575plougher /* Check the MAJOR & MINOR versions */ 149727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 1 || sBlk.s.s_major == 2) { 149827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.bytes_used = sBlk_3.bytes_used_2; 14996490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.uid_start = sBlk_3.uid_start_2; 15006490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.guid_start = sBlk_3.guid_start_2; 150127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inode_table_start = sBlk_3.inode_table_start_2; 150227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start = sBlk_3.directory_table_start_2; 150302bc3bcabf2b219f63961f07293b83629948f026plougher 150427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 1) { 150527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_size = sBlk_3.block_size_1; 150627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = sBlk.uid_start; 1507ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_1; 1508ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment_table = read_fragment_table_1; 1509ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_block_list = read_block_list_1; 15106f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher s_ops.read_inode = read_inode_1; 151179e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 1512ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher } else { 151327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = 1514c435240f52b78b0ef498118727ba8dad186db26bplougher sBlk_3.fragment_table_start_2; 1515ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_1; 1516ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment = read_fragment_2; 1517ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment_table = read_fragment_table_2; 1518ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_block_list = read_block_list_2; 15196f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher s_ops.read_inode = read_inode_2; 152079e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 1521ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher } 152227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher } else if(sBlk.s.s_major == 3) { 1523ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_3; 1524ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_fragment = read_fragment_3; 1525ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_fragment_table = read_fragment_table_3; 1526ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_block_list = read_block_list_2; 1527ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_inode = read_inode_3; 152879e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 152902bc3bcabf2b219f63961f07293b83629948f026plougher } else { 153027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher ERROR("Filesystem on %s is (%d:%d), ", source, sBlk.s.s_major, 153127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_minor); 15324c99cb7f458d8e1c598f1c80793daf3696c9b528plougher ERROR("which is a later filesystem version than I support!\n"); 1533443c15812032991c98b33b5424b17bcd55fe3575plougher goto failed_mount; 1534443c15812032991c98b33b5424b17bcd55fe3575plougher } 1535443c15812032991c98b33b5424b17bcd55fe3575plougher 1536efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher /* 153799c8abf4de4297b3159355a0cefe9ad6f5182827plougher * 1.x, 2.x and 3.x filesystems use gzip compression. 1538efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher */ 1539efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp = lookup_compressor("gzip"); 1540443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 1541443c15812032991c98b33b5424b17bcd55fe3575plougher 1542443c15812032991c98b33b5424b17bcd55fe3575plougherfailed_mount: 1543443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 1544443c15812032991c98b33b5424b17bcd55fe3575plougher} 1545443c15812032991c98b33b5424b17bcd55fe3575plougher 1546443c15812032991c98b33b5424b17bcd55fe3575plougher 1547a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathname *process_extract_files(struct pathname *path, char *filename) 154871add234b27054974d5e29f95b3fab3072792a62plougher{ 154971add234b27054974d5e29f95b3fab3072792a62plougher FILE *fd; 155071add234b27054974d5e29f95b3fab3072792a62plougher char name[16384]; 155171add234b27054974d5e29f95b3fab3072792a62plougher 15524dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if((fd = fopen(filename, "r")) == NULL) 1553d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("Could not open %s, because %s\n", filename, 1554d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 155571add234b27054974d5e29f95b3fab3072792a62plougher 155671add234b27054974d5e29f95b3fab3072792a62plougher while(fscanf(fd, "%16384[^\n]\n", name) != EOF) 1557a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = add_path(path, name, name); 155871add234b27054974d5e29f95b3fab3072792a62plougher 155971add234b27054974d5e29f95b3fab3072792a62plougher fclose(fd); 1560a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return path; 156171add234b27054974d5e29f95b3fab3072792a62plougher} 156271add234b27054974d5e29f95b3fab3072792a62plougher 156371add234b27054974d5e29f95b3fab3072792a62plougher 1564d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1565d4204758f77acb5a371fa1487a755b76a05d5476plougher * reader thread. This thread processes read requests queued by the 1566d4204758f77acb5a371fa1487a755b76a05d5476plougher * cache_get() routine. 1567d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15688888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *reader(void *arg) 15698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 15708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 15718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry = queue_get(to_reader); 157286561909d9ca51a4e4ce4efcfea30b41d1d08275plougher int res = read_fs_bytes(fd, entry->block, 15738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher SQUASHFS_COMPRESSED_SIZE_BLOCK(entry->size), 15748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->data); 15758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 15768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(res && SQUASHFS_COMPRESSED_BLOCK(entry->size)) 1577d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1578c435240f52b78b0ef498118727ba8dad186db26bplougher * queue successfully read block to the deflate 1579c435240f52b78b0ef498118727ba8dad186db26bplougher * thread(s) for further processing 1580d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_deflate, entry); 15828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else 1583d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1584d4204758f77acb5a371fa1487a755b76a05d5476plougher * block has either been successfully read and is 1585d4204758f77acb5a371fa1487a755b76a05d5476plougher * uncompressed, or an error has occurred, clear pending 1586c435240f52b78b0ef498118727ba8dad186db26bplougher * flag, set error appropriately, and wake up any 1587c435240f52b78b0ef498118727ba8dad186db26bplougher * threads waiting on this buffer 1588d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_ready(entry, !res); 15908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 15918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 15928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 15938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1594d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1595d4204758f77acb5a371fa1487a755b76a05d5476plougher * writer thread. This processes file write requests queued by the 1596d4204758f77acb5a371fa1487a755b76a05d5476plougher * write_file() routine. 1597d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15988888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *writer(void *arg) 15998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 16008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int i; 16018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 16038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct squashfs_file *file = queue_get(to_writer); 16048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int file_fd; 16058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hole = 0; 160627636cb2cec37a68313f9eb825c0548245eecad0plougher int failed = FALSE; 1607c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher int error; 16088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(file == NULL) { 16108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(from_writer, NULL); 16118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher continue; 16128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher TRACE("writer: regular file, blocks %d\n", file->blocks); 16158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher file_fd = file->fd; 16178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1618eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher for(i = 0; i < file->blocks; i++, cur_blocks ++) { 16198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct file_entry *block = queue_get(to_writer); 16208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block->buffer == 0) { /* sparse file */ 16228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole += block->size; 16238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(block); 16248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher continue; 16258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_wait(block->buffer); 162827636cb2cec37a68313f9eb825c0548245eecad0plougher 162927636cb2cec37a68313f9eb825c0548245eecad0plougher if(block->buffer->error) 163027636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 163127636cb2cec37a68313f9eb825c0548245eecad0plougher 1632c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(failed) 1633c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher continue; 1634c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 1635c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher error = write_block(file_fd, block->buffer->data + 1636c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher block->offset, block->size, hole, file->sparse); 1637c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 1638c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(error == FALSE) { 1639d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write data block %d\n", 1640d4204758f77acb5a371fa1487a755b76a05d5476plougher i); 164127636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 1643c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 16448888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole = 0; 16458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_put(block->buffer); 16468888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(block); 16478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 164927636cb2cec37a68313f9eb825c0548245eecad0plougher if(hole && failed == FALSE) { 1650d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1651d4204758f77acb5a371fa1487a755b76a05d5476plougher * corner case for hole extending to end of file 1652d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1653d4204758f77acb5a371fa1487a755b76a05d5476plougher if(file->sparse == FALSE || 1654d4204758f77acb5a371fa1487a755b76a05d5476plougher lseek(file_fd, hole, SEEK_CUR) == -1) { 1655d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1656d4204758f77acb5a371fa1487a755b76a05d5476plougher * for files which we don't want to write 1657c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * sparsely, or for broken lseeks which cannot 1658c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * seek beyond end of file, write_block will do 1659c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * the right thing 1660c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher */ 16618888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole --; 1662d4204758f77acb5a371fa1487a755b76a05d5476plougher if(write_block(file_fd, "\0", 1, hole, 1663d4204758f77acb5a371fa1487a755b76a05d5476plougher file->sparse) == FALSE) { 1664d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write sparse " 1665d4204758f77acb5a371fa1487a755b76a05d5476plougher "data block\n"); 166627636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else if(ftruncate(file_fd, file->file_size) == -1) { 1669d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write sparse data " 1670d4204758f77acb5a371fa1487a755b76a05d5476plougher "block\n"); 167127636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher close(file_fd); 167627636cb2cec37a68313f9eb825c0548245eecad0plougher if(failed == FALSE) 1677d4204758f77acb5a371fa1487a755b76a05d5476plougher set_attributes(file->pathname, file->mode, file->uid, 1678fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher file->gid, file->time, file->xattr, force); 167927636cb2cec37a68313f9eb825c0548245eecad0plougher else { 168027636cb2cec37a68313f9eb825c0548245eecad0plougher ERROR("Failed to write %s, skipping\n", file->pathname); 168127636cb2cec37a68313f9eb825c0548245eecad0plougher unlink(file->pathname); 168227636cb2cec37a68313f9eb825c0548245eecad0plougher } 168379df93becb68081effabebba3006c794be308598plougher free(file->pathname); 16848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(file); 168527636cb2cec37a68313f9eb825c0548245eecad0plougher 16868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 16888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1690d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1691d4204758f77acb5a371fa1487a755b76a05d5476plougher * decompress thread. This decompresses buffers queued by the read thread 1692d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 16938888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *deflator(void *arg) 16948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 16958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher char tmp[block_size]; 16968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 16988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry = queue_get(to_deflate); 1699efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 1700efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1701efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(tmp, entry->data, 1702efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher SQUASHFS_COMPRESSED_SIZE_BLOCK(entry->size), block_size, 1703efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher &error); 1704efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1705efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) 1706efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 1707efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 1708efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher else 1709efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher memcpy(entry->data, tmp, res); 17108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1711d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1712d4204758f77acb5a371fa1487a755b76a05d5476plougher * block has been either successfully decompressed, or an error 17138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * occurred, clear pending flag, set error appropriately and 1714d4204758f77acb5a371fa1487a755b76a05d5476plougher * wake up any threads waiting on this block 1715d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1716efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher cache_block_ready(entry, res == -1); 17178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 17188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 17198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1721eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid *progress_thread(void *arg) 1722eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1723eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct timeval timeval; 1724eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct timespec timespec; 17251b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher struct itimerval itimerval; 17261b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher struct winsize winsize; 17271b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 17281b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher if(ioctl(1, TIOCGWINSZ, &winsize) == -1) { 172901b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher if(isatty(STDOUT_FILENO)) 173001b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher ERROR("TIOCGWINSZ ioctl failed, defaulting to 80 " 173101b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher "columns\n"); 17321b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher columns = 80; 17331b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher } else 17341b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher columns = winsize.ws_col; 17351b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher signal(SIGWINCH, sigwinch_handler); 17361b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher signal(SIGALRM, sigalrm_handler); 17371b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 17381b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_value.tv_sec = 0; 17391b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_value.tv_usec = 250000; 17401b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_interval.tv_sec = 0; 17411b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_interval.tv_usec = 250000; 17421b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher setitimer(ITIMER_REAL, &itimerval, NULL); 1743eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1744eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_cond_init(&progress_wait, NULL); 1745eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 17461b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 1747eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(1) { 1748eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher gettimeofday(&timeval, NULL); 1749eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher timespec.tv_sec = timeval.tv_sec; 1750eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(timeval.tv_usec + 250000 > 999999) 1751eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher timespec.tv_sec++; 1752c435240f52b78b0ef498118727ba8dad186db26bplougher timespec.tv_nsec = ((timeval.tv_usec + 250000) % 1000000) * 1753c435240f52b78b0ef498118727ba8dad186db26bplougher 1000; 1754c435240f52b78b0ef498118727ba8dad186db26bplougher pthread_cond_timedwait(&progress_wait, &screen_mutex, 1755c435240f52b78b0ef498118727ba8dad186db26bplougher ×pec); 17561b42101056befe25b5f19d5b099e806a2ecee9cdplougher if(progress_enabled) 17571b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_bar(sym_count + dev_count + 1758d4204758f77acb5a371fa1487a755b76a05d5476plougher fifo_count + cur_blocks, total_inodes - 1759d4204758f77acb5a371fa1487a755b76a05d5476plougher total_files + total_blocks, columns); 1760eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1761eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1762eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1763eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 17648888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid initialise_threads(int fragment_buffer_size, int data_buffer_size) 17658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 17668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int i; 17678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigset_t sigmask, old_mask; 17688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int all_buffers_size = fragment_buffer_size + data_buffer_size; 17698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigemptyset(&sigmask); 17718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigaddset(&sigmask, SIGINT); 17728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigaddset(&sigmask, SIGQUIT); 17738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sigprocmask(SIG_BLOCK, &sigmask, &old_mask) == -1) 1774c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("Failed to set signal mask in intialise_threads" 1775c435240f52b78b0ef498118727ba8dad186db26bplougher "\n"); 17768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(processors == -1) { 17788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#ifndef linux 17798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int mib[2]; 17808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher size_t len = sizeof(processors); 17818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[0] = CTL_HW; 17838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#ifdef HW_AVAILCPU 17848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[1] = HW_AVAILCPU; 17858888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#else 17868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[1] = HW_NCPU; 17878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#endif 17888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sysctl(mib, 2, &processors, &len, NULL, 0) == -1) { 1790d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Failed to get number of available processors. " 1791d4204758f77acb5a371fa1487a755b76a05d5476plougher "Defaulting to 1\n"); 17928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher processors = 1; 17938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 17948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#else 17959cc26b77a61fefdeb45f5c487c2bfdefd394b66fplougher processors = sysconf(_SC_NPROCESSORS_ONLN); 17968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#endif 17978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 17988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1799eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if((thread = malloc((3 + processors) * sizeof(pthread_t))) == NULL) 18008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("Out of memory allocating thread descriptors\n"); 1801eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher deflator_thread = &thread[3]; 18028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher to_reader = queue_init(all_buffers_size); 18048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher to_deflate = queue_init(all_buffers_size); 1805eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher to_writer = queue_init(1000); 18068888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher from_writer = queue_init(1); 18078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher fragment_cache = cache_init(block_size, fragment_buffer_size); 18088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher data_cache = cache_init(block_size, data_buffer_size); 18098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_create(&thread[0], NULL, reader, NULL); 18108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_create(&thread[1], NULL, writer, NULL); 1811eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_create(&thread[2], NULL, progress_thread, NULL); 18128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&fragment_mutex, NULL); 18138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher for(i = 0; i < processors; i++) { 1815c435240f52b78b0ef498118727ba8dad186db26bplougher if(pthread_create(&deflator_thread[i], NULL, deflator, NULL) != 1816c435240f52b78b0ef498118727ba8dad186db26bplougher 0) 18178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("Failed to create thread\n"); 18188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 18198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher printf("Parallel unsquashfs: Using %d processor%s\n", processors, 18218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher processors == 1 ? "" : "s"); 18228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sigprocmask(SIG_SETMASK, &old_mask, NULL) == -1) 1824c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("Failed to set signal mask in intialise_threads" 1825c435240f52b78b0ef498118727ba8dad186db26bplougher "\n"); 18268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 18278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18291b42101056befe25b5f19d5b099e806a2ecee9cdploughervoid enable_progress_bar() 18301b42101056befe25b5f19d5b099e806a2ecee9cdplougher{ 18311b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 18321b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_enabled = TRUE; 18331b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 18341b42101056befe25b5f19d5b099e806a2ecee9cdplougher} 18351b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18361b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18371b42101056befe25b5f19d5b099e806a2ecee9cdploughervoid disable_progress_bar() 18381b42101056befe25b5f19d5b099e806a2ecee9cdplougher{ 18391b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 18401b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_enabled = FALSE; 18411b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 18421b42101056befe25b5f19d5b099e806a2ecee9cdplougher} 18431b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18441b42101056befe25b5f19d5b099e806a2ecee9cdplougher 1845eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid update_progress_bar() 1846eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 18471b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 1848eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_cond_signal(&progress_wait); 18491b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 1850eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1851eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1852eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1853eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid progress_bar(long long current, long long max, int columns) 1854eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1855eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher char rotate_list[] = { '|', '/', '-', '\\' }; 1856b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher int max_digits, used, hashes, spaces; 1857dce832998340bea4236fddb5ba1525121044ce18plougher static int tty = -1; 1858eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1859b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher if(max == 0) 1860b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher return; 1861b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher 1862b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher max_digits = floor(log10(max)) + 1; 1863b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher used = max_digits * 2 + 11; 1864b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher hashes = (current * (columns - used)) / max; 1865b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher spaces = columns - used - hashes; 1866b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher 1867eaf639366792995c36ae7295bddf534f6f416643plougher if((current > max) || (columns - used < 0)) 1868eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher return; 1869eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1870dce832998340bea4236fddb5ba1525121044ce18plougher if(tty == -1) 1871dce832998340bea4236fddb5ba1525121044ce18plougher tty = isatty(STDOUT_FILENO); 1872dce832998340bea4236fddb5ba1525121044ce18plougher if(!tty) { 1873dce832998340bea4236fddb5ba1525121044ce18plougher static long long previous = -1; 1874dce832998340bea4236fddb5ba1525121044ce18plougher 18750a0d045642e8e413f90b770539193d3fd1522786plougher /* 18760a0d045642e8e413f90b770539193d3fd1522786plougher * Updating much more frequently than this results in huge 18770a0d045642e8e413f90b770539193d3fd1522786plougher * log files. 18780a0d045642e8e413f90b770539193d3fd1522786plougher */ 1879dce832998340bea4236fddb5ba1525121044ce18plougher if((current % 100) != 0 && current != max) 1880dce832998340bea4236fddb5ba1525121044ce18plougher return; 1881dce832998340bea4236fddb5ba1525121044ce18plougher /* Don't update just to rotate the spinner. */ 1882dce832998340bea4236fddb5ba1525121044ce18plougher if(current == previous) 1883dce832998340bea4236fddb5ba1525121044ce18plougher return; 1884dce832998340bea4236fddb5ba1525121044ce18plougher previous = current; 1885dce832998340bea4236fddb5ba1525121044ce18plougher } 1886dce832998340bea4236fddb5ba1525121044ce18plougher 1887eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf("\r["); 1888eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1889eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while (hashes --) 1890eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar('='); 1891eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1892eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar(rotate_list[rotate]); 1893eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1894eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(spaces --) 1895eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar(' '); 1896eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1897eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf("] %*lld/%*lld", max_digits, current, max_digits, max); 1898eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf(" %3lld%%", current * 100 / max); 1899eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher fflush(stdout); 1900eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1901eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1902eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1903443c15812032991c98b33b5424b17bcd55fe3575plougher#define VERSION() \ 190411fbbfefc1e9f048c6c19e18eb61ab92e5c418faplougher printf("unsquashfs version 4.1-CVS (2010/08/28)\n");\ 1905e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("copyright (C) 2010 Phillip Lougher "\ 1906e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "<phillip@lougher.demon.co.uk>\n\n");\ 1907e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("This program is free software; you can redistribute it and/or"\ 1908d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1909e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("modify it under the terms of the GNU General Public License"\ 1910d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1911e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("as published by the Free Software Foundation; either version "\ 1912e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "2,\n");\ 1913e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("or (at your option) any later version.\n\n");\ 1914e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("This program is distributed in the hope that it will be "\ 1915e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "useful,\n");\ 1916d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("but WITHOUT ANY WARRANTY; without even the implied warranty of"\ 1917d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1918d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the"\ 1919d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1920443c15812032991c98b33b5424b17bcd55fe3575plougher printf("GNU General Public License for more details.\n"); 1921443c15812032991c98b33b5424b17bcd55fe3575plougherint main(int argc, char *argv[]) 1922443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1923443c15812032991c98b33b5424b17bcd55fe3575plougher char *dest = "squashfs-root"; 1924b624936abba03d38b7e9245c647339d8f6f34274plougher int i, stat_sys = FALSE, version = FALSE; 1925545404219cdd79c1e06ac7d0698d02a15240c4c3plougher int n; 1926a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathnames *paths = NULL; 1927a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathname *path = NULL; 1928ae271cc93e3684d5314bcdc45b631e497ae43166plougher int fragment_buffer_size = FRAGMENT_BUFFER_DEFAULT; 1929ae271cc93e3684d5314bcdc45b631e497ae43166plougher int data_buffer_size = DATA_BUFFER_DEFAULT; 19300cf5c297bec42c7c220d2825f12f9499f2293279plougher char *b; 1931443c15812032991c98b33b5424b17bcd55fe3575plougher 19321b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_init(&screen_mutex, NULL); 1933545404219cdd79c1e06ac7d0698d02a15240c4c3plougher root_process = geteuid() == 0; 1934545404219cdd79c1e06ac7d0698d02a15240c4c3plougher if(root_process) 19359dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher umask(0); 19369dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher 1937443c15812032991c98b33b5424b17bcd55fe3575plougher for(i = 1; i < argc; i++) { 1938443c15812032991c98b33b5424b17bcd55fe3575plougher if(*argv[i] != '-') 1939443c15812032991c98b33b5424b17bcd55fe3575plougher break; 1940d4204758f77acb5a371fa1487a755b76a05d5476plougher if(strcmp(argv[i], "-version") == 0 || 1941d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-v") == 0) { 1942443c15812032991c98b33b5424b17bcd55fe3575plougher VERSION(); 1943443c15812032991c98b33b5424b17bcd55fe3575plougher version = TRUE; 1944d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-info") == 0 || 1945d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-i") == 0) 1946443c15812032991c98b33b5424b17bcd55fe3575plougher info = TRUE; 1947c435240f52b78b0ef498118727ba8dad186db26bplougher else if(strcmp(argv[i], "-ls") == 0 || 1948c435240f52b78b0ef498118727ba8dad186db26bplougher strcmp(argv[i], "-l") == 0) 1949443c15812032991c98b33b5424b17bcd55fe3575plougher lsonly = TRUE; 1950d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-no-progress") == 0 || 1951d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-n") == 0) 1952296d7d8a68e33341d68f4354b5e1fe2f3aa275a6plougher progress = FALSE; 195331638061a6de0cb89093672aa71ddeb42f2eb28aplougher else if(strcmp(argv[i], "-no-xattrs") == 0 || 195431638061a6de0cb89093672aa71ddeb42f2eb28aplougher strcmp(argv[i], "-no") == 0) 195531638061a6de0cb89093672aa71ddeb42f2eb28aplougher no_xattrs = TRUE; 1956df9d38a515489c2c573754ad81abd230dfd8b1f0plougher else if(strcmp(argv[i], "-xattrs") == 0 || 1957df9d38a515489c2c573754ad81abd230dfd8b1f0plougher strcmp(argv[i], "-x") == 0) 1958df9d38a515489c2c573754ad81abd230dfd8b1f0plougher no_xattrs = FALSE; 1959d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-dest") == 0 || 1960d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-d") == 0) { 196171add234b27054974d5e29f95b3fab3072792a62plougher if(++i == argc) { 1962d4204758f77acb5a371fa1487a755b76a05d5476plougher fprintf(stderr, "%s: -dest missing filename\n", 1963d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 196471add234b27054974d5e29f95b3fab3072792a62plougher exit(1); 196571add234b27054974d5e29f95b3fab3072792a62plougher } 1966443c15812032991c98b33b5424b17bcd55fe3575plougher dest = argv[i]; 1967d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-processors") == 0 || 1968d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-p") == 0) { 1969c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1970c435240f52b78b0ef498118727ba8dad186db26bplougher (processors = strtol(argv[i], &b, 10), 1971d4204758f77acb5a371fa1487a755b76a05d5476plougher *b != '\0')) { 1972d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -processors missing or invalid " 1973d4204758f77acb5a371fa1487a755b76a05d5476plougher "processor number\n", argv[0]); 19740cf5c297bec42c7c220d2825f12f9499f2293279plougher exit(1); 19750cf5c297bec42c7c220d2825f12f9499f2293279plougher } 19760cf5c297bec42c7c220d2825f12f9499f2293279plougher if(processors < 1) { 1977d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -processors should be 1 or larger\n", 1978d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 19790cf5c297bec42c7c220d2825f12f9499f2293279plougher exit(1); 19800cf5c297bec42c7c220d2825f12f9499f2293279plougher } 1981d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-data-queue") == 0 || 1982d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-da") == 0) { 1983c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1984c435240f52b78b0ef498118727ba8dad186db26bplougher (data_buffer_size = strtol(argv[i], &b, 1985d4204758f77acb5a371fa1487a755b76a05d5476plougher 10), *b != '\0')) { 1986c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("%s: -data-queue missing or invalid " 1987c435240f52b78b0ef498118727ba8dad186db26bplougher "queue size\n", argv[0]); 1988ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 1989ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 1990ae271cc93e3684d5314bcdc45b631e497ae43166plougher if(data_buffer_size < 1) { 1991d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -data-queue should be 1 Mbyte or " 1992d4204758f77acb5a371fa1487a755b76a05d5476plougher "larger\n", argv[0]); 1993ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 1994ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 1995d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-frag-queue") == 0 || 1996d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-fr") == 0) { 1997c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1998c435240f52b78b0ef498118727ba8dad186db26bplougher (fragment_buffer_size = strtol(argv[i], 1999d4204758f77acb5a371fa1487a755b76a05d5476plougher &b, 10), *b != '\0')) { 2000c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("%s: -frag-queue missing or invalid " 2001c435240f52b78b0ef498118727ba8dad186db26bplougher "queue size\n", argv[0]); 2002ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 2003ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 2004ae271cc93e3684d5314bcdc45b631e497ae43166plougher if(fragment_buffer_size < 1) { 2005d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -frag-queue should be 1 Mbyte or " 2006d4204758f77acb5a371fa1487a755b76a05d5476plougher "larger\n", argv[0]); 2007ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 2008ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 2009d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-force") == 0 || 2010d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-f") == 0) 2011a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher force = TRUE; 2012d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-stat") == 0 || 2013d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-s") == 0) 2014b624936abba03d38b7e9245c647339d8f6f34274plougher stat_sys = TRUE; 2015d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-lls") == 0 || 2016d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-ll") == 0) { 20179baf35a00f38816d2054deb70184943d0686d03eplougher lsonly = TRUE; 20189baf35a00f38816d2054deb70184943d0686d03eplougher short_ls = FALSE; 2019d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-linfo") == 0 || 2020d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-li") == 0) { 20219baf35a00f38816d2054deb70184943d0686d03eplougher info = TRUE; 20229baf35a00f38816d2054deb70184943d0686d03eplougher short_ls = FALSE; 2023d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-ef") == 0 || 2024d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-e") == 0) { 202571add234b27054974d5e29f95b3fab3072792a62plougher if(++i == argc) { 2026d4204758f77acb5a371fa1487a755b76a05d5476plougher fprintf(stderr, "%s: -ef missing filename\n", 2027d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 202871add234b27054974d5e29f95b3fab3072792a62plougher exit(1); 202971add234b27054974d5e29f95b3fab3072792a62plougher } 2030a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = process_extract_files(path, argv[i]); 2031d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-regex") == 0 || 2032d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-r") == 0) 20334dba330d7b952f2f044d38e342e2ae3ea78910d6plougher use_regex = TRUE; 20344dba330d7b952f2f044d38e342e2ae3ea78910d6plougher else 2035b624936abba03d38b7e9245c647339d8f6f34274plougher goto options; 2036443c15812032991c98b33b5424b17bcd55fe3575plougher } 2037443c15812032991c98b33b5424b17bcd55fe3575plougher 2038feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher if(lsonly || info) 2039feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher progress = FALSE; 2040feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher 2041bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher#ifdef SQUASHFS_TRACE 2042bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher progress = FALSE; 2043bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher#endif 2044bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher 2045443c15812032991c98b33b5424b17bcd55fe3575plougher if(i == argc) { 2046443c15812032991c98b33b5424b17bcd55fe3575plougher if(!version) { 2047443c15812032991c98b33b5424b17bcd55fe3575plougheroptions: 2048d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("SYNTAX: %s [options] filesystem [directories or " 2049d4204758f77acb5a371fa1487a755b76a05d5476plougher "files to extract]\n", argv[0]); 2050d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-v[ersion]\t\tprint version, licence and " 2051d4204758f77acb5a371fa1487a755b76a05d5476plougher "copyright information\n"); 2052d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-d[est] <pathname>\tunsquash to <pathname>, " 2053d4204758f77acb5a371fa1487a755b76a05d5476plougher "default \"squashfs-root\"\n"); 2054c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-n[o-progress]\t\tdon't display the progress " 2055c435240f52b78b0ef498118727ba8dad186db26bplougher "bar\n"); 2056df9d38a515489c2c573754ad81abd230dfd8b1f0plougher ERROR("\t-no[-xattrs]\t\tdon't extract xattrs in file system" 2057df9d38a515489c2c573754ad81abd230dfd8b1f0plougher NOXOPT_STR"\n"); 2058df9d38a515489c2c573754ad81abd230dfd8b1f0plougher ERROR("\t-x[attrs]\t\textract xattrs in file system" 2059df9d38a515489c2c573754ad81abd230dfd8b1f0plougher XOPT_STR "\n"); 2060c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-p[rocessors] <number>\tuse <number> " 2061c435240f52b78b0ef498118727ba8dad186db26bplougher "processors. By default will use\n"); 2062c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tnumber of processors available\n"); 2063c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-i[nfo]\t\t\tprint files as they are " 2064c435240f52b78b0ef498118727ba8dad186db26bplougher "unsquashed\n"); 2065c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-li[nfo]\t\tprint files as they are " 2066c435240f52b78b0ef498118727ba8dad186db26bplougher "unsquashed with file\n"); 2067c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tattributes (like ls -l output)\n"); 2068d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-l[s]\t\t\tlist filesystem, but don't unsquash" 2069d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n"); 2070c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-ll[s]\t\t\tlist filesystem with file " 2071c435240f52b78b0ef498118727ba8dad186db26bplougher "attributes (like\n"); 2072c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tls -l output), but don't unsquash\n"); 2073c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-f[orce]\t\tif file already exists then " 2074c435240f52b78b0ef498118727ba8dad186db26bplougher "overwrite\n"); 2075d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-s[tat]\t\t\tdisplay filesystem superblock " 2076d4204758f77acb5a371fa1487a755b76a05d5476plougher "information\n"); 2077d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-e[f] <extract file>\tlist of directories or " 2078d4204758f77acb5a371fa1487a755b76a05d5476plougher "files to extract.\n\t\t\t\tOne per line\n"); 2079c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-da[ta-queue] <size>\tSet data queue to " 2080c435240f52b78b0ef498118727ba8dad186db26bplougher "<size> Mbytes. Default %d\n\t\t\t\tMbytes\n", 2081d4204758f77acb5a371fa1487a755b76a05d5476plougher DATA_BUFFER_DEFAULT); 2082d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-fr[ag-queue] <size>\tSet fagment queue to " 2083d4204758f77acb5a371fa1487a755b76a05d5476plougher "<size> Mbytes. Default %d\n\t\t\t\t Mbytes\n", 2084d4204758f77acb5a371fa1487a755b76a05d5476plougher FRAGMENT_BUFFER_DEFAULT); 2085c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-r[egex]\t\ttreat extract names as POSIX " 2086c435240f52b78b0ef498118727ba8dad186db26bplougher "regular expressions\n"); 2087c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\trather than use the default shell " 2088c435240f52b78b0ef498118727ba8dad186db26bplougher "wildcard\n\t\t\t\texpansion (globbing)\n"); 2089076b053e2cce5c9172b4f385e866c2e606712a32plougher ERROR("\nDecompressors available:\n"); 2090076b053e2cce5c9172b4f385e866c2e606712a32plougher display_compressors("", ""); 2091443c15812032991c98b33b5424b17bcd55fe3575plougher } 2092443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2093443c15812032991c98b33b5424b17bcd55fe3575plougher } 2094443c15812032991c98b33b5424b17bcd55fe3575plougher 209571add234b27054974d5e29f95b3fab3072792a62plougher for(n = i + 1; n < argc; n++) 2096a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = add_path(path, argv[n], argv[n]); 2097b54566f5c433764830c29c83151691d0034de094plougher 2098443c15812032991c98b33b5424b17bcd55fe3575plougher if((fd = open(argv[i], O_RDONLY)) == -1) { 2099d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Could not open %s, because %s\n", argv[i], 2100d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 2101443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2102443c15812032991c98b33b5424b17bcd55fe3575plougher } 2103443c15812032991c98b33b5424b17bcd55fe3575plougher 210402bc3bcabf2b219f63961f07293b83629948f026plougher if(read_super(argv[i]) == FALSE) 2105443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2106443c15812032991c98b33b5424b17bcd55fe3575plougher 2107b624936abba03d38b7e9245c647339d8f6f34274plougher if(stat_sys) { 2108b624936abba03d38b7e9245c647339d8f6f34274plougher squashfs_stat(argv[i]); 2109b624936abba03d38b7e9245c647339d8f6f34274plougher exit(0); 2110b624936abba03d38b7e9245c647339d8f6f34274plougher } 2111b624936abba03d38b7e9245c647339d8f6f34274plougher 2112f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher if(!comp->supported) { 2113f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher ERROR("Filesystem uses %s compression, this is " 2114f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher "unsupported by this version\n", comp->name); 2115f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher ERROR("Decompressors available:\n"); 2116f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher display_compressors("", ""); 2117f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher exit(1); 2118f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher } 2119f025ee7d93e3ce56f1fdbd0661a89172500ba168plougher 212027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher block_size = sBlk.s.block_size; 212127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher block_log = sBlk.s.block_log; 2122ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 2123ae271cc93e3684d5314bcdc45b631e497ae43166plougher fragment_buffer_size <<= 20 - block_log; 2124ae271cc93e3684d5314bcdc45b631e497ae43166plougher data_buffer_size <<= 20 - block_log; 21258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher initialise_threads(fragment_buffer_size, data_buffer_size); 21268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2127443c15812032991c98b33b5424b17bcd55fe3575plougher if((fragment_data = malloc(block_size)) == NULL) 2128443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate fragment_data\n"); 2129443c15812032991c98b33b5424b17bcd55fe3575plougher 2130443c15812032991c98b33b5424b17bcd55fe3575plougher if((file_data = malloc(block_size)) == NULL) 2131443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate file_data"); 2132443c15812032991c98b33b5424b17bcd55fe3575plougher 2133443c15812032991c98b33b5424b17bcd55fe3575plougher if((data = malloc(block_size)) == NULL) 2134eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher EXIT_UNSQUASH("failed to allocate data\n"); 2135443c15812032991c98b33b5424b17bcd55fe3575plougher 213627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if((created_inode = malloc(sBlk.s.inodes * sizeof(char *))) == NULL) 2137443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate created_inode\n"); 2138443c15812032991c98b33b5424b17bcd55fe3575plougher 213927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher memset(created_inode, 0, sBlk.s.inodes * sizeof(char *)); 2140443c15812032991c98b33b5424b17bcd55fe3575plougher 21411a7e7e871169a6cb6e3470a50b33db83830886e2plougher if(s_ops.read_uids_guids() == FALSE) 21421a7e7e871169a6cb6e3470a50b33db83830886e2plougher EXIT_UNSQUASH("failed to uid/gid table\n"); 2143ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 2144cce13b2f8f73a4224f9dcfe203c992a09f22c6bcplougher if(s_ops.read_fragment_table() == FALSE) 2145cce13b2f8f73a4224f9dcfe203c992a09f22c6bcplougher EXIT_UNSQUASH("failed to read fragment table\n"); 2146ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 214727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher uncompress_inode_table(sBlk.s.inode_table_start, 214827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start); 2149ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 215027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher uncompress_directory_table(sBlk.s.directory_table_start, 215127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start); 2152443c15812032991c98b33b5424b17bcd55fe3575plougher 215331638061a6de0cb89093672aa71ddeb42f2eb28aplougher if(no_xattrs) 215431638061a6de0cb89093672aa71ddeb42f2eb28aplougher sBlk.s.xattr_id_table_start = SQUASHFS_INVALID_BLK; 215531638061a6de0cb89093672aa71ddeb42f2eb28aplougher 21568935dc25479321709c74c2f8214cf5365669100eplougher if(read_xattrs_from_disk(fd, &sBlk.s) == 0) 21578935dc25479321709c74c2f8214cf5365669100eplougher EXIT_UNSQUASH("failed to read the xattr table\n"); 21588935dc25479321709c74c2f8214cf5365669100eplougher 2159a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(path) { 2160a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths = init_subdir(); 2161a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths = add_subdir(paths, path); 2162a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 2163a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 216427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher pre_scan(dest, SQUASHFS_INODE_BLK(sBlk.s.root_inode), 216527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_INODE_OFFSET(sBlk.s.root_inode), paths); 2166eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 216727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher memset(created_inode, 0, sBlk.s.inodes * sizeof(char *)); 21689b58176e667b67770569c9076a410b27aaa3bcf5plougher inode_number = 1; 2169eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 2170c435240f52b78b0ef498118727ba8dad186db26bplougher printf("%d inodes (%d blocks) to write\n\n", total_inodes, 2171c435240f52b78b0ef498118727ba8dad186db26bplougher total_inodes - total_files + total_blocks); 2172eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 21731b42101056befe25b5f19d5b099e806a2ecee9cdplougher if(progress) 21741b42101056befe25b5f19d5b099e806a2ecee9cdplougher enable_progress_bar(); 21751b42101056befe25b5f19d5b099e806a2ecee9cdplougher 217627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher dir_scan(dest, SQUASHFS_INODE_BLK(sBlk.s.root_inode), 217727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_INODE_OFFSET(sBlk.s.root_inode), paths); 2178443c15812032991c98b33b5424b17bcd55fe3575plougher 21798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, NULL); 21808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_get(from_writer); 21818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 21825c7885bc293ab675812fd77a05f59c2917e3e8b4plougher if(progress) { 21831b42101056befe25b5f19d5b099e806a2ecee9cdplougher disable_progress_bar(); 21845c7885bc293ab675812fd77a05f59c2917e3e8b4plougher progress_bar(sym_count + dev_count + fifo_count + cur_blocks, 21851b42101056befe25b5f19d5b099e806a2ecee9cdplougher total_inodes - total_files + total_blocks, columns); 21865c7885bc293ab675812fd77a05f59c2917e3e8b4plougher } 2187eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 2188443c15812032991c98b33b5424b17bcd55fe3575plougher if(!lsonly) { 2189443c15812032991c98b33b5424b17bcd55fe3575plougher printf("\n"); 2190443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d files\n", file_count); 2191443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d directories\n", dir_count); 2192443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d symlinks\n", sym_count); 2193443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d devices\n", dev_count); 2194443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d fifos\n", fifo_count); 2195443c15812032991c98b33b5424b17bcd55fe3575plougher } 2196eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 21979dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher return 0; 2198443c15812032991c98b33b5424b17bcd55fe3575plougher} 2199