diff options
Diffstat (limited to 'unpack/rdsquashfs.c')
-rw-r--r-- | unpack/rdsquashfs.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/unpack/rdsquashfs.c b/unpack/rdsquashfs.c deleted file mode 100644 index fa2bbb4..0000000 --- a/unpack/rdsquashfs.c +++ /dev/null @@ -1,175 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * rdsquashfs.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "rdsquashfs.h" - -int main(int argc, char **argv) -{ - sqfs_xattr_reader_t *xattr = NULL; - sqfs_compressor_config_t cfg; - int status = EXIT_FAILURE; - sqfs_data_reader_t *data; - sqfs_dir_reader_t *dirrd; - sqfs_compressor_t *cmp; - sqfs_id_table_t *idtbl; - sqfs_tree_node_t *n; - sqfs_super_t super; - sqfs_file_t *file; - options_t opt; - int ret; - - process_command_line(&opt, argc, argv); - - file = sqfs_open_file(opt.image_name, SQFS_FILE_OPEN_READ_ONLY); - if (file == NULL) { - perror(opt.image_name); - goto out_cmd; - } - - ret = sqfs_super_read(&super, file); - if (ret) { - sqfs_perror(opt.image_name, "reading super block", ret); - goto out_file; - } - - sqfs_compressor_config_init(&cfg, super.compression_id, - super.block_size, - SQFS_COMP_FLAG_UNCOMPRESS); - - ret = sqfs_compressor_create(&cfg, &cmp); - -#ifdef WITH_LZO - if (super.compression_id == SQFS_COMP_LZO && ret != 0) - ret = lzo_compressor_create(&cfg, &cmp); -#endif - - if (ret != 0) { - sqfs_perror(opt.image_name, "creating compressor", ret); - goto out_file; - } - - if (!(super.flags & SQFS_FLAG_NO_XATTRS)) { - xattr = sqfs_xattr_reader_create(0); - if (xattr == NULL) { - sqfs_perror(opt.image_name, "creating xattr reader", - SQFS_ERROR_ALLOC); - goto out_cmp; - } - - ret = sqfs_xattr_reader_load(xattr, &super, file, cmp); - if (ret) { - sqfs_perror(opt.image_name, "loading xattr table", - ret); - goto out_xr; - } - } - - idtbl = sqfs_id_table_create(0); - if (idtbl == NULL) { - sqfs_perror(opt.image_name, "creating ID table", - SQFS_ERROR_ALLOC); - goto out_xr; - } - - ret = sqfs_id_table_read(idtbl, file, &super, cmp); - if (ret) { - sqfs_perror(opt.image_name, "loading ID table", ret); - goto out_id; - } - - dirrd = sqfs_dir_reader_create(&super, cmp, file); - if (dirrd == NULL) { - sqfs_perror(opt.image_name, "creating dir reader", - SQFS_ERROR_ALLOC); - goto out_id; - } - - data = sqfs_data_reader_create(file, super.block_size, cmp); - if (data == NULL) { - sqfs_perror(opt.image_name, "creating data reader", - SQFS_ERROR_ALLOC); - goto out_dr; - } - - ret = sqfs_data_reader_load_fragment_table(data, &super); - if (ret) { - sqfs_perror(opt.image_name, "loading fragment table", ret); - goto out_data; - } - - ret = sqfs_dir_reader_get_full_hierarchy(dirrd, idtbl, opt.cmdpath, - opt.rdtree_flags, &n); - if (ret) { - sqfs_perror(opt.image_name, "reading filesystem tree", ret); - goto out_data; - } - - switch (opt.op) { - case OP_LS: - list_files(n); - break; - case OP_CAT: - if (!S_ISREG(n->inode->base.mode)) { - fprintf(stderr, "/%s: not a regular file\n", - opt.cmdpath); - goto out; - } - - if (sqfs_data_reader_dump(opt.cmdpath, data, n->inode, - stdout, super.block_size, false)) { - goto out; - } - break; - case OP_UNPACK: - if (opt.unpack_root != NULL) { - if (mkdir_p(opt.unpack_root)) - goto out; - - if (chdir(opt.unpack_root)) { - perror(opt.unpack_root); - goto out; - } - } - - if (restore_fstree(n, opt.flags)) - goto out; - - if (fill_unpacked_files(super.block_size, n, data, opt.flags)) - goto out; - - if (update_tree_attribs(xattr, n, opt.flags)) - goto out; - break; - case OP_DESCRIBE: - if (describe_tree(n, opt.unpack_root)) - goto out; - break; - case OP_RDATTR: - if (dump_xattrs(xattr, n->inode)) - goto out; - break; - } - - status = EXIT_SUCCESS; -out: - sqfs_dir_tree_destroy(n); -out_data: - sqfs_destroy(data); -out_dr: - sqfs_destroy(dirrd); -out_id: - sqfs_destroy(idtbl); -out_xr: - if (xattr != NULL) - sqfs_destroy(xattr); -out_cmp: - sqfs_destroy(cmp); -out_file: - sqfs_destroy(file); -out_cmd: - free(opt.cmdpath); - return status; -} |